question: When did Manuel De Sica's mother 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."]], ["Christian De Sica", ["Christian De Sica( born 5 January 1951) is an Italian actor, director, scriptwriter and singer."]], ["Mar\u00eda Mercader", ["Mar\u00eda de la Asunci\u00f3n Mercader Fordada (6 March 1918 \u2013 26 January 2011) was a Spanish film actress who appeared in 40 films between 1923 and 1992.", "She was the second wife of film director Vittorio De Sica.", "Her half-brother was Ram\u00f3n Mercader, the murderer of Leon Trotsky in 1940, in Mexico."]], ["Albert Thompson (footballer, born 1912)", ["Albert Thompson( born 1912, date of death unknown) was a Welsh footballer."]], ["Manuel De Sica", ["Manuel De Sica (24 February 1949 \u2013 5 December 2014) was an Italian composer.", "Born in Rome, the son of Vittorio De Sica and Mar\u00eda Mercader, De Sica enrolled at the Accademia Nazionale di Santa Cecilia, in which he studied with Bruno Maderna.", "He debuted as a composer for his father's film \"A Place for Lovers\" (1968).", "In 1993, De Sica won the Nastro d'Argento for Best Score for Carlo Verdone's \"Al lupo, al lupo\".", "In 1996 he won the David di Donatello for Best Score for Carlo Lizzani's \"Celluloide\".", "In 2005 he was honored with the title of Commendatore of the Italian Republic.", "De Sica died of a heart attack on 5 December 2014 at the age of 65, in Rome."]], ["Manuel de Odriozola", ["Manuel de Odriozola( August 11, 1804 in Lima \u2013 August 12, 1889) was a Peruvian soldier, scholar, librarian and historian.", "He was the son of Manuel de Odriozola and Jacinta Herrera."]], ["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.\""]], ["Thomas Scott (diver)", ["Thomas Scott( 1907- date of death unknown) was an English diver."]], ["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."]]]
supporting_facts: [["Manuel De Sica", 1], ["Mar\u00eda Mercader", 0]]
evidences: [["Manuel De Sica", "mother", "Mar\u00eda Mercader"], ["Mar\u00eda Mercader", "date of death", "26 January 2011"]]
answer: 26 January 2011