question: When did Violant Of Castile's husband 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."]], ["Eleanor of Castile, Queen of Navarre", ["Eleanor of Castile( after 1363 \u2013 27 February 1416) was an infanta of Castile and the Queen consort of Navarre.", "She was the daughter of King Henry II of Castile and his wife, Juana Manuel of Castile, from a cadet branch of the Castilian royal house.", "Eleanor was a member of the House of Trast\u00e1mara."]], ["Peter of Castile, Lord of Ledesma", ["Peter of Castile( June 1260, in Seville \u2013 10 October 1283, in Ledesma), was an infante of Castile.", "He was a son of Alfonso X of Castile and Violant of Aragon who was also called Yolanda or Yolante.", "He was Lord(\" se\u00f1or\") of Ledesma, Alba de Tormes, Salvatierra, Miranda del Casta\u00f1ar, Galisteo and Granadilla."]], ["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.\""]], ["Beatrice of Castile, Marchioness of Montferrat", ["Beatrice of Castile (5 November or 6 December 1254 - 1286) was a daughter of Alfonso X of Castile and his wife Violant of Aragon.", "She was Marchioness of Montferrat by her marriage and was mother of Irene of Montferrat."]], ["Urraca of Covarrubias", ["Urraca of Castile( died after January 1038) was co-regent of Castile during the minority of her nephew, Garc\u00eda S\u00e1nchez of Castile, in 1017- 28."]], ["Diego L\u00f3pez V de Haro", ["Diego L\u00f3pez V de Haro, nicknamed \"el Intruso\" (c. 1250 \u2013 1310),", "was a Spanish noble of the House of Haro and held the title of the Lord of Biscay which he took from the pretender to the title, John of Castile.", "He further served in the capacity of Mayordomo mayor del rey and the Alf\u00e9rez del rey of Ferdinand IV of Castile.", "He was a major benefactor of the city of Bilbao, where he expanded the local fishing village and granted it the power to maintain its customs market free of any \"Portazgo\" (royal tribute) answerable only to the authority of the Lord of Biscay."]], ["James of Castile, Lord of Cameros", ["James of Castile( 11 July 1268 \u2013 9 August 1284), was an infante of Castile and Lord of Cameros.", "He was the youngest son of Alfonso X of Castile and Violant of Aragon."]], ["Berengaria of Castile, Lady of Guadalajara", ["Berengaria of Castile( Seville, 1253 \u2013 Guadalajara, 1300), an infanta of Castile, ruled as Lady of Guadalajara in her own right.", "She was the eldest daughter of Alfonso X of Castile and Violant of Aragon.", "She was the eldest daughter and heir of Alfonso X until the birth of her brother Ferdinand de la Cerda.", "She was betrothed to Louis of France( 1244 \u2013 1260), the son and heir of King Saint Louis IX of France, but her fianc\u00e9 died prematurely in 1260.", "She entered Abbey of Santa Mar\u00eda la Real de Las Huelgas before 1284."]], ["Violant of Castile", ["Violant of Castile (1265\u20131287/1308), infanta of Castile and Lady of Biscay on her marriage to Diego L\u00f3pez V de Haro.", "She was the daughter of Alfonso X of Castile, and Violant of Aragon."]]]
supporting_facts: [["Violant of Castile", 0], ["Diego L\u00f3pez V de Haro", 0]]
evidences: [["Violant of Castile", "spouse", "Diego L\u00f3pez V de Haro"], ["Diego L\u00f3pez V de Haro", "date of death", "1310"]]
answer: 1310