question: When did Frances Vane, Marchioness Of Londonderry's father die?
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."]], ["Doreen Wells", ["Doreen Patricia Vane- Tempest- Stewart, Marchioness of Londonderry( n\u00e9e Wells; born 25 June 1937) is a British former ballet dancer."]], ["Albert Anderson (politician)", ["Commander Albert Wesley Anderson( 23 July 1907 \u2013 18 June 1986) was the son of Rt. Hon. Sir Robert Newton Anderson and Lydia\" Lily\" Elizabeth Smith, a businessman, member of Londonderry City Council and Lord Mayor of Londonderry( from 1915 \u2013 1919).", "Albert Anderson was born in County Londonderry and educated at Foyle College and at Rydal School( Wales), followed by the University of Nottingham.", "He served as a Commander in the Royal Navy during the Second World War.", "Member of Londonderry Corporation until 1969.", "He was Mayor of Londonderry( and\" ex officio\" Member of the Senate of Northern Ireland) from 1963 to 1968.", "During this period, he was a leading figure in the unsuccessful campaign to site a new university in Derry.", "He was elected Ulster Unionist Party Member of Parliament for the City of Londonderry from the by-election of 16 May 1968 until the prorogation of the Stormont Parliament in 1972.", "Anderson was Senior Parliamentary Secretary, Ministry of Home Affairs from 26 October 1971 until 1972."]], ["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.\""]], ["Henry Vane-Tempest", ["Sir Henry Vane-Tempest, 2nd Baronet (25 January 1771 \u2013 1 August 1813) was a British politician.", "In early life his name was Henry Vane.", "He changed his name to Vane-Tempest when he inherited from his uncle John Tempest, Jr. in 1793."]], ["Nicolette Vane-Tempest-Stewart, Marchioness of Londonderry", ["Nicolette Elaine Katherine Vane-Tempest-Stewart, Marchioness of Londonderry, formerly Nicolette Harrison, later Nicolette Powell (1941 \u2013 13 August 1993), was the first wife of Alistair Vane-Tempest-Stewart, 9th Marquess of Londonderry, and later the wife of musician Georgie Fame."]], ["Frances Vane, Marchioness of Londonderry", ["Frances Anne Vane, Marchioness of Londonderry (17 January 1800 \u2013 20 January 1865) was a wealthy English heiress and noblewoman.", "She was the daughter of Sir Henry Vane-Tempest, 2nd Baronet.", "She married Charles William Stewart, 1st Baron Stewart, who changed his surname to hers and became Charles William Vane.", "She became Marchioness in 1822 when Charles succeeded his half-brother as 3rd Marquess of Londonderry.", "Through her daughter Frances Anne, she is the great-grandmother of Winston Churchill."]], ["Thomas Scott (diver)", ["Thomas Scott( 1907- date of death unknown) was an English diver."]], ["Lord Adolphus Vane-Tempest", ["Lord Adolphus Frederick Charles William Vane-Tempest (2 July 1825 \u2013 11 June 1864), known until 1854 as Lord Adolphus Vane, was a Conservative Party politician in the United Kingdom.", "He was the fourth child (and second son) of Charles Vane, 3rd Marquess of Londonderry and his wife Frances Anne Vane, Marchioness of Londonderry.", "In December 1852, he was elected at a by-election as Member of Parliament (MP) for the City of Durham, but the election was overturned on petition the next year.", "In 1854 he was elected unopposed to the House of Commons as MP for North Durham after the death of his father, filling the seat vacated by his elder brother George Vane-Tempest, Viscount Seaham, who succeeded to the peerage as Earl Vane.", "He held the seat until his death in 1864, aged 38.\nDuring the enthusiasm for the Volunteer Movement in 1859\u201360, although his brothers were connected with the 2nd (Seaham) Durham Artillery Volunteer Corps formed at the family's Seaham Colliery, Lord Adolphus raised and commanded an infantry corps, the Sunderland Rifles.", "According to Anne Isba, author and Victorian Studies scholar, Vane was \"notoriously unstable\" and was \"described by Queen Victoria as having 'a natural tendency to madness.'", "Vane, who on one occasion violently attacked his wife and infant son, died four years later during a struggle with four keepers.\""]], ["Margaret, Marchioness of Namur", ["Margaret, Marchioness of Namur( c. 1194 \u2013 17 July 1270) was ruling Marchioness of Namur in 1229- 1237.", "She was the daughter of Peter II of Courtenay and Yolanda of Flanders."]]]
supporting_facts: [["Frances Vane, Marchioness of Londonderry", 1], ["Henry Vane-Tempest", 0]]
evidences: [["Frances Anne Vane, Marchioness of Londonderry", "father", "Sir Henry Vane-Tempest, 2nd Baronet"], ["Sir Henry Vane-Tempest, 2nd Baronet", "date of death", "1 August 1813"]]
answer: 1 August 1813