question: When was Alfredo Del Mazo Maza's father born?
context: [["Alfredo del Mazo Gonz\u00e1lez", ["Alfredo Hilario Isidro del Mazo Gonz\u00e1lez (31 December 1943 \u2013 10 January 2019) was a Mexican politician affiliated with the Institutional Revolutionary Party."]], ["Alejandro del Mazo", ["Alejandro del Mazo Maza( born 4 August 1980) is a Mexican politician from the Ecologist Green Party of Mexico.", "From 2010 to 2012 he served as Deputy of the LXI Legislature of the Mexican Congress representing the State of Mexico."]], ["Alfredo Del Francia", ["Alfredo Del Francia (7 June 1944 \u2013 9 May 2006) was an Italian fencer.", "He competed in the team foil events at the 1968 and 1972 Summer Olympics."]], ["Alfredo del Mazo Maza", ["Alfredo del Mazo Maza (born 5 December 1975) is a Mexican politician affiliated to the Institutional Revolutionary Party (PRI) and was sworn as the current Governor of the State of Mexico.", "Members of del Mazo's family have collectively governed the State of Mexico for 23 years, starting with his grandfather Alfredo del Mazo V\u00e9lez (1945-1951); then followed by his father Alfredo del Mazo Gonz\u00e1lez (1981-1986) and his cousin Enrique Pe\u00f1a Nieto (2005-2011); adding Arturo Montiel, Pe\u00f1a Nieto's uncle, the del Mazo family's rule extends to 29 years."]], ["Margarita del Mazo", ["Margarita del Mazo( born 17 October 1960) is a Spanish writer of children's literature."]], ["Jorge del Mazo", ["Jorge del Mazo( born 1899, date of death unknown) was an Argentine sports shooter.", "He competed in the 50 m rifle event at the 1924 Summer Olympics."]], ["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.\""]], ["Alfredo del Mazo V\u00e9lez", ["Alfredo del Mazo V\u00e9lez( 21 August 1904 \u2013 19 December 1975) was a Mexican politician affiliated with the Institutional Revolutionary Party.", "He was the Governor of the State of Mexico from 1945 to 1951 and served as the Secretary of Hydraulic Resources during the six- year presidency of Adolfo L\u00f3pez Mateos."]], ["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."]], ["Alfredo del Diestro", ["Alfredo del Diestro( 1885\u20131951) was Chilean actor and film director."]]]
supporting_facts: [["Alfredo del Mazo Maza", 1], ["Alfredo del Mazo Gonz\u00e1lez", 0]]
evidences: [["Alfredo del Mazo Maza", "father", "Alfredo del Mazo Gonz\u00e1lez"], ["Alfredo del Mazo Gonz\u00e1lez", "date of birth", "31 December 1943"]]
answer: 31 December 1943