question: What nationality is Mary Elizabeth Bliss's father?
context: [["Mary Mohler", ["Mary Elizabeth Mohler, n\u00e9e Mary Elizabeth DeScenza( born September 17, 1984) is an American former competition swimmer and former world record- holder in the Women's 200- meter butterfly( long course)."]], ["Mary Elizabeth McGrath Blake", ["Mary Elizabeth McGrath Blake( September 1, 1840 \u2013 February 26, 1907) was an Irish American poet."]], ["Mary Elizabeth Flores", ["Mary Elizabeth\" Lizzy\" Flores Flake( born December 6, 1973 in Tegucigalpa) is a Honduran lawyer, politician and diplomat of Palestinian descent, the daughter of the former Honduran president Carlos Flores Facuss\u00e9.", "Her mother is Mary Flake de Flores, who is American.", "On January 25, 2006, Flores took office as Vice- President of the National Congress of Honduras, representing the Liberal Party.", "In April 2010, she became Permanent Representative of Honduras to the United Nations.", "Flores has two children."]], ["Zachary Taylor", ["Zachary Taylor (November 24, 1784 \u2013 July 9, 1850) was the 12th president of the United States, serving from March 1849 until his death in July 1850.", "Taylor previously was a career officer in the United States Army, rose to the rank of major general and became a national hero as a result of his victories in the Mexican\u2013American War.", "As a result, he won election to the White House despite his vague political beliefs.", "His top priority as president was preserving the Union, but he died sixteen months into his term, before making any progress on the status of slavery, which had been inflaming tensions in Congress.", "Taylor was born into a prominent family of plantation owners who moved westward from Virginia to Louisville, Kentucky in his youth.", "He was commissioned as an officer in the U.S. Army in 1808 and made a name for himself as a captain in the War of 1812.", "He climbed the ranks establishing military forts along the Mississippi River and entered the Black Hawk War as a colonel in 1832.", "His success in the Second Seminole War attracted national attention and earned him the nickname \"Old Rough and Ready\".", "In 1845, during the annexation of Texas, President James K. Polk dispatched Taylor to the Rio Grande in anticipation of a battle with Mexico over the disputed Texas\u2013Mexico border.", "The Mexican\u2013American War broke out in April 1846, and Taylor defeated Mexican troops commanded by General Mariano Arista at the battles of Palo Alto and Resaca de la Palma and drove his troops out of Texas.", "Taylor then led his troops into Mexico, where they defeated Mexican troops commanded by Pedro de Ampudia at the Battle of Monterrey.", "Defying orders, Taylor led his troops further south and, despite being severely outnumbered, dealt a crushing blow to Mexican forces under Antonio L\u00f3pez de Santa Anna at the Battle of Buena Vista.", "Taylor's troops were transferred to the command of Major General Winfield Scott, but Taylor retained his popularity.", "The Whig Party convinced the reluctant Taylor to lead their ticket in the 1848 presidential election, despite his unclear political tenets and lack of interest in politics.", "At the 1848 Whig National Convention, Taylor defeated Scott and former Senator Henry Clay to take the nomination.", "He won the general election alongside New York politician Millard Fillmore, defeating Democratic Party candidates Lewis Cass and William Orlando Butler, as well as a third-party effort led by former president Martin Van Buren and Charles Francis Adams, Sr. of the Free Soil Party.", "Taylor became the first president to be elected without having served in a prior political office.", "As president, Taylor kept his distance from Congress and his cabinet, even though partisan tensions threatened to divide the Union.", "Debate over the status of slavery in the Mexican Cession dominated the political agenda and led to threats of secession from Southerners.", "Despite being a Southerner and a slaveholder himself, Taylor did not push for the expansion of slavery, and sought sectional harmony above all other concerns.", "To avoid the issue of slavery, he urged settlers in New Mexico and California to bypass the territorial stage and draft constitutions for statehood, setting the stage for the Compromise of 1850.", "Taylor died suddenly of a stomach disease on July 9, 1850, with his administration having accomplished little aside from the ratification of the Clayton\u2013Bulwer Treaty.", "Fillmore served the remainder of his term.", "Historians and scholars have ranked Taylor in the bottom quartile of U.S. presidents, owing in part to his short term of office (16 months), and he has been described as \"more a forgettable president than a failed one.\""]], ["Mary Delahunty", ["Mary Elizabeth Delahunty( born 7 June 1951) is an Australian journalist and politician with the Labor Party."]], ["Liz Whitney Tippett", ["Mary Elizabeth Whitney Person Tippett( born Mary Elizabeth Altemus)( June 18, 1906 \u2013 October 30, 1988) was a wealthy American socialite and philanthropist who was a champion horsewoman and for more than fifty years, a prominent owner/ breeder of Thoroughbred racehorses."]], ["Emmy Clarke", ["Mary Elizabeth Clarke( born September 25, 1991), better known as Emmy Clarke, is an American actress."]], ["Mary Miller (actress)", ["Mary Elizabeth Miller( born 27 December 1933) is an English television and stage actress, who was a founding member of the National Theatre Company in 1963."]], ["Mary Mills (soprano)", ["Mary Elizabeth Mills( born 1964) is an American opera singer."]], ["Mary Elizabeth Bliss", ["Mary Elizabeth \"Betty\" Taylor Bliss Dandridge, born Mary Elizabeth Taylor (", "April 20, 1824 \u2013 July 25, 1909), was the youngest of the three surviving daughters of President Zachary Taylor (1849\u20131850) and Margaret Mackall Smith Taylor.", "In 1848, after her father was elected President, Mary Elizabeth married William Wallace Smith Bliss, an army officer who had served with her father.", "Taylor appointed William Bliss as Presidential Secretary.", "At the age of 22, Mary Elizabeth Bliss served as First Lady during her father's presidency, as her mother declined the social role."]]]
supporting_facts: [["Mary Elizabeth Bliss", 1], ["Zachary Taylor", 0]]
evidences: [["Mary Elizabeth Bliss", "father", "Zachary Taylor"], ["Zachary Taylor", "country of citizenship", "United States"]]
answer: United States