Question: When did Manuel De Sica's mother die?

Knowledge 1: Manuel De Sica
Manuel De Sica (24 February 1949 – 5 December 2014) was an Italian composer.Born in Rome, the son of Vittorio De Sica and María 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. [SEP] Knowledge 2: María Mercader
María de la Asunción Mercader Fordada (6 March 1918 – 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 Ramón Mercader, the murderer of Leon Trotsky in 1940, in Mexico.
Knowledge 1: Manuel De Sica
Manuel De Sica (24 February 1949 – 5 December 2014) was an Italian composer.Born in Rome, the son of Vittorio De Sica and María 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. [SEP] Knowledge 2: Etan Boritzer
Etan Boritzer( born 1950) is an American writer of children ’s 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 includeWhat 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."
Knowledge 1: Manuel De Sica
Manuel De Sica (24 February 1949 – 5 December 2014) was an Italian composer.Born in Rome, the son of Vittorio De Sica and María 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. [SEP] Knowledge 2: Harry Wainwright (footballer)
Harry Wainwright( born 1899; date of death unknown) was an English footballer.

Answer: 26 January 2011