question: Where did Ulysses S. Grant Jr.'s father graduate from?
context: [["Ulysses S. Grant", ["Ulysses S. Grant (born Hiram Ulysses Grant; April 27, 1822 \u2013 July 23, 1885) was an American soldier and politician who served as the 18th president of the United States from 1869 to 1877.", "Before his presidency, Grant led the Union Army in winning the American Civil War.", "As president, Grant worked with the Radical Republicans in the Reconstruction of the Union while having to deal with corruption in his administration.", "Raised in Ohio, young Grant possessed an exceptional ability with horses, which served him well through his military career.", "He was admitted to West Point and graduated from the U.S. military academy in 1843.", "Grant served with distinction in the Mexican\u2013American War.", "In 1848, he married Julia Dent, and together they had four children.", "Grant abruptly resigned his army commission in 1854 and returned to his family, but lived in poverty for seven years.", "During the Civil War, he joined the Union Army in 1861, and led the Vicksburg campaign, which gained control of the Mississippi River in 1863.", "After Grant's victory at Chattanooga, President Abraham Lincoln promoted Grant to Lieutenant General.", "For thirteen months, Grant fought Robert E. Lee during the high casualty Overland Campaign and at Petersburg.", "On April 9, 1865, Lee surrendered to Grant at Appomattox.", "A week later, Lincoln was assassinated, and was succeeded by President Andrew Johnson, who promoted Grant to General of the Army in 1866.", "Later Grant openly broke with Johnson over Reconstruction policies; Grant used the reconstruction acts, which had been passed over Johnson's veto, to enforce civil rights for African freedmen.", "A war hero but a reluctant politician", ", Grant was unanimously nominated by the Republican Party and was elected president in 1868.", "As president, Grant stabilized the post-war national economy, created the Department of Justice, and prosecuted the Ku Klux Klan.", "He appointed African-Americans and Jewish-Americans to prominent federal offices.", "In 1871, he created the first Civil Service Commission.", "The Liberal Republicans and Democrats united behind Grant's opponent in the presidential election of 1872, but Grant was handily re-elected.", "Grant's Native American policy had both successes and failures.", "In foreign affairs, the Grant administration peacefully resolved the \"Alabama\" claims against Great Britain, but the Senate rejected Grant's prized Caribbean Dominican Republic annexation.", "Corruption in the executive branch became notorious: several of Grant's cabinet members and other appointees were fired or had to resign.", "The Panic of 1873 plunged the nation into a severe economic depression, that allowed the Democrats win the House majority.", "In the intensely disputed Presidential election of 1876, Grant facilitated the approval by Congress of a peaceful compromise.", "In his retirement, Grant was the first president to circumnavigate the world on his tour meeting with many foreign leaders.", "In 1880, Grant was unsuccessful in obtaining the Republican presidential nomination for a third term.", "In the final year of his life, facing severe financial reversals and dying of throat cancer, he wrote his memoirs, which proved to be a major critical and financial success.", "At the time of his death, he was memorialized as a symbol of national unity.", "Historical assessments of Grant's legacy have varied.", "Historians have recognized Grant's military genius, and his modern strategies of warfare are featured in military history textbooks.", "20th century historical rankings of presidents of the United States have ranked Grant among the worst presidents because of corruption charges against some of his top appointees or White House military aides.", "21st century historians have emphasized Grant's presidential accomplishments including the Alabama Claims settlement, protection of Blacks and Indians, and the first Civil Service Commission.", "Grant was an embattled president who faced a difficult challenge getting the entire nation to accept Reconstruction efforts."]], ["Albie Grant", ["Albert V.\" Albie\" Grant, Jr.( October 7, 1943 \u2013 April 14, 2004) was an American college basketball standout at Long Island University( LIU), professional player for the ABA's New Jersey Americans, school teacher, and medical doctor."]], ["Ulysses S. Grant IV", ["Ulysses S. Grant IV( May 23, 1893 \u2013 March 11, 1977) was the son of Ulysses S. Grant, Jr. and the grandson of General of the Army and President of the United States Ulysses S. Grant and United States Senator Jerome B. Chaffee of Colorado.", "He was an American geologist and paleontologist known for his work on the fossil mollusks of the California Pacific Coast.", "He was born at his father's farm, Merryweather Farm, in Salem Center, Westchester County, New York.", "Shortly after his birth, the family moved to San Diego, California."]], ["Chapman Grant", ["Chapman Grant (March 27, 1887 \u2013 January 5, 1983) was an American herpetologist, historian, and publisher.", "He was the last living grandson of United States President Ulysses S. Grant", "He was married and had two children, one of whom survived him, his only son Ulysses S. Grant V."]], ["Nancy Baron", ["Nancy Baron is an American rock singer who was active in New York City in the early 1960s, known for the singles\" Where Did My Jimmy Go?\" and\" I've Got A Feeling\"."]], ["Ulysses S. Grant Jr.", ["Ulysses Simpson \"Buck\" Grant Jr.", "(July 22, 1852 \u2013 September 25, 1929) was an American attorney and entrepreneur.", "He was the second son of President Ulysses S. Grant."]], ["Curtis Grant", ["Curtis Grant Jr.( born December 28, 1992) is an American football linebacker who is currently a free agent.", "He played college football at Ohio State."]], ["DeLawrence Grant", ["DeLawrence Grant, Jr.( born November 18, 1979) is a former American football linebacker.", "He played college football at Oregon State and was drafted by the Oakland Raiders in the third round of the 2001 NFL Draft."]], ["W. V. Grant", ["Walter Vinson Grant, Jr., who goes by W. V. Grant( born May 25, 1945), is a televangelist whose ministry has been based in the Greater Dallas area."]], ["John Grant Jr.", ["John Christopher Grant Jr.( born November 7, 1974) is a professional lacrosse player who has played in Major League Lacrosse, the National Lacrosse League, and the Ontario Lacrosse Association.", "He currently serves a player- coach for the Denver Outlaws of Major League Lacrosse."]]]
supporting_facts: [["Ulysses S. Grant Jr.", 2], ["Ulysses S. Grant", 1]]
evidences: [["Ulysses Simpson \"Buck\" Grant Jr.", "father", "Ulysses S. Grant"], ["Ulysses S. Grant", "educated at", "Army"]]
answer: Army