question: When did Halldóra Eldjárn's husband die?
context: [["Fred Bradley (rower)", ["Frederick Bradley( 1908- date of death unknown) was an English rower."]], ["Halld\u00f3ra Eldj\u00e1rn", ["Halld\u00f3ra Eldj\u00e1rn (24 November 1923 \u2013 21 December 2008) was the wife of Icelandic President Kristj\u00e1n Eldj\u00e1rn and First Lady of Iceland from 1968 to 1980.", "Halld\u00f3ra Ing\u00f3lfsd\u00f3ttir was born and raised in \u00cdsafj\u00f6r\u00f0ur.", "Her parents were Ing\u00f3lfur \u00c1rnason, a businessman, and his wife \u00d3l\u00f6f Sigr\u00ed\u00f0ur J\u00f3nasd\u00f3ttir; she was the eldest of four children.", "She graduated from the Commercial College of Iceland in 1942 and worked in an office in Reykjav\u00edk until her marriage to archaeologist and museum director Kristj\u00e1n Eldj\u00e1rn in 1947.", "They lived in Reykjav\u00edk and had four children.", "He retired in 1980 after three terms as President; after his death in 1982, Halld\u00f3ra worked for the University of Iceland dictionary for a number of years."]], ["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.\""]], ["Harry Wainwright (footballer)", ["Harry Wainwright( born 1899; date of death unknown) was an English footballer."]], ["Bill Smith (footballer, born 1897)", ["William Thomas Smith( born 9 April 1897, date of death unknown) was an English professional footballer."]], ["Harry Johnson (wrestler)", ["Harry Johnson( 1903- date of death unknown) was an English wrestler."]], ["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."]], ["Albert Thompson (footballer, born 1912)", ["Albert Thompson( born 1912, date of death unknown) was a Welsh footballer."]], ["Thomas Scott (diver)", ["Thomas Scott( 1907- date of death unknown) was an English diver."]], ["Kristj\u00e1n Eldj\u00e1rn", ["Kristj\u00e1n Eldj\u00e1rn (6 December 1916 \u2013 13 September 1982) was the third President of Iceland, from 1968 to 1980.", "His parents were \u00de\u00f3rarinn Kr.", "Eldj\u00e1rn, a teacher in Tj\u00f6rn, and Sigr\u00fan Sigurhjartard\u00f3ttir.", "He graduated in archaeology from the University of Copenhagen and taught at the University of Iceland.", "In 1957 he was awarded a doctorate for his research into pagan burials in Iceland.", "He was a teacher at the Akureyri Grammar School and the College of Navigation in Reykjav\u00edk, becoming a curator at the National Museum of Iceland in 1945 and its Director in 1947, a position he held until the 1968 presidential election.", "In 1966\u201368 he hosted a series of educational TV programs on the (then new) Icelandic National Television (R\u00daV), in which he showed the audience some of the National Museum's artefacts and explained their historical context.", "These programs became quite popular, making him a well known and respected popular figure.", "This no doubt gave him the incentive needed to run in the 1968 presidential election as a politically non-affiliated candidate.", "Starting as the underdog in the 1968 presidential election, running against Ambassador Gunnar Thoroddsen who initially had a 70% lead in the opinion polls, Kristj\u00e1n won 65.6% of the vote on a 92.2% voter turnout.", "He was re-elected unopposed in 1972 and 1976.", "In 1980 he decided not to run for another term, wanting to devote his remaining years entirely to continuing his lifelong academic work.", "President Kristj\u00e1n Eldj\u00e1rn died following heart surgery in Cleveland, Ohio on 14 September 1982.", "His son \u00de\u00f3rarinn Eldj\u00e1rn is one of Iceland's most popular authors, specializing in short stories, but also writing poetry and an occasional novel.", "His daughter Sigr\u00fan Eldj\u00e1rn is also an author and illustrator of several children's books."]]]
supporting_facts: [["Halld\u00f3ra Eldj\u00e1rn", 0], ["Kristj\u00e1n Eldj\u00e1rn", 12]]
evidences: [["Halld\u00f3ra Eldj\u00e1rn", "spouse", "Kristj\u00e1n Eldj\u00e1rn"], ["Kristj\u00e1n Eldj\u00e1rn", "date of death", "14 September 1982"]]
answer: 14 September 1982