question: When was Hector Macpherson Jr.'s father born?
context: [["Theodred II (Bishop of Elmham)", ["Theodred II was a medieval Bishop of Elmham.", "The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997."]], ["Brian Saunders (weightlifter)", ["Brian Saunders( date of birth and death unknown) was a male weightlifter who competed for England."]], ["Moffat Sinkala", ["Moffat Sinkala( date of birth unknown, died June 2004) was a Zambian footballer.", "He competed in the men's tournament at the 1980 Summer Olympics."]], ["Terence Robinson", ["Terence D. Robinson( date of birth and death unknown) was a male wrestler who competed for England."]], ["Mark Kenneth Woods", ["Mark Kenneth Woods( date of birth unknown) is a Canadian comedy writer, actor, producer, director and TV host."]], ["Les Richards", ["Les Richards( date of birth unknown) was an Australian rules footballer who played with North Melbourne in the Victorian Football League( VFL)."]], ["Hector Macpherson Sr.", ["Hector Macpherson Sr.", "(April 22, 1875 \u2013 March 28, 1970) was a Canadian\u2013American academic and politician of Scottish descent.", "He was the father of Hector Macpherson Jr."]], ["Hector Macpherson Jr.", ["Hector \"Huck\" Macpherson, Jr. (September 18, 1918 \u2013 March 21, 2015) was an American dairy farmer and politician in the state of Oregon.", "Macpherson was a member of the Oregon State Senate from 1971 to 1974 and is best remembered as a primary author of the seminal 1973 Land Conservation and Development Act (SB 100) which established the Oregon Land Conservation and Development Commission and statewide land use planning regulation.", "As the navigator aboard a B-17 Flying Fortress during World War II, Macpherson flew 50 combat missions and was the recipient of the Distinguished Flying Cross and the Bronze Star Medal for his service, leaving the United States Army Air Corps in 1945 with the rank of Major.", "Following the war Macpherson took over the family dairy farm and became involved with the politics of land use planning over concerns with encroaching urban development of farmland.", "Macpherson was the son of former Oregon state representative Hector Macpherson, Sr. and the father of former Oregon state representative Greg Macpherson."]], ["Pamela Jain", ["Pamela Jain is an Indian playback singer.", "Date of Birth:16th March."]], ["Etan Boritzer", ["Etan Boritzer( born 1950) is an American writer of children \u2019s literature who is best known for his book\" What is God?\" first published in 1989.", "His best selling\" What is?\" illustrated children's book series on character education and difficult subjects for children is a popular teaching guide for parents, teachers and child- life professionals.", "Boritzer gained national critical acclaim after\" What is God?\" was published in 1989 although the book has caused controversy from religious fundamentalists for its universalist views.", "The other current books in the\" What is?\" series include", "What is Love?,", "What is Death?,", "What is Beautiful?,", "What is Funny?,", "What is Right?,", "What is Peace?,", "What is Money?,", "What is Dreaming?,", "What is a Friend?,", "What is True?,", "What is a Family?,", "What is a Feeling?\"", "The series is now also translated into 15 languages.", "Boritzer was first published in 1963 at the age of 13 when he wrote an essay in his English class at Wade Junior High School in the Bronx, New York on the assassination of John F. Kennedy.", "His essay was included in a special anthology by New York City public school children compiled and published by the New York City Department of Education.", "Boritzer now lives in Venice, California and maintains his publishing office there also.", "He has helped numerous other authors to get published through\" How to Get Your Book Published!\" programs.", "Boritzer is also a yoga teacher who teaches regular classes locally and guest- teaches nationally.", "He is also recognized nationally as an erudite speaker on\" The Teachings of the Buddha.\""]]]
supporting_facts: [["Hector Macpherson Jr.", 4], ["Hector Macpherson Sr.", 1]]
evidences: [["Hector \"Huck\" Macpherson, Jr.", "father", "Hector Macpherson, Sr."], ["Hector Macpherson Sr.", "date of birth", "April 22, 1875"]]
answer: April 22, 1875