Question: On which date did Anne Fitzalan-Howard, Duchess of the death city of Eric Teichman die?

full_context: Document 1: Gertrude Bell: Gertrude Margaret Lowthian Bell, CBE (14 July 1868 -- 12 July 1926) was an English writer, traveller, political officer, administrator, and archaeologist who explored, mapped, and became highly influential to British imperial policy - making due to her knowledge and contacts, built up through extensive travels in Greater Syria, Mesopotamia, Asia Minor, and Arabia. Along with T.E. Lawrence, Bell helped support the Hashemite dynasties in what is today Jordan as well as in Iraq.
Document 2: Emanuel Ringelblum: Emanuel Ringelblum (November 21, 1900 – March 10 (most likely), 1944) was a Polish historian, politician and social worker, known for his "Notes from the Warsaw Ghetto", "Notes on the Refugees in Zbąszyn" chronicling the deportation of Jews from the town of Zbąszyń, and the so-called Ringelblum's Archives of the Warsaw Ghetto.
Document 3: Queen Elizabeth The Queen Mother: Elizabeth Angela Marguerite Bowes - Lyon (4 August 1900 -- 30 March 2002) was the wife of King George VI and the mother of Queen Elizabeth II and Princess Margaret, Countess of Snowdon. She was Queen consort of the United Kingdom and the Dominions from her husband's accession in 1936 until his death in 1952, after which she was known as Queen Elizabeth The Queen Mother, to avoid confusion with her daughter. She was the last Empress of India.
Document 4: Hans Hermann Eschke: Hans Hermann Eschke (10 November 1856 in Berlin – 19 July 1904 in Singapore) was the first German Consul General in Singapore.
Document 5: Anne, Princess Royal: At the age of 21, Anne won the individual title at the European Eventing Championship, and was voted the BBC Sports Personality of the Year in 1971. For more than five years, she also competed with the British eventing team, winning a silver medal in both individual and team disciplines in the 1975 European Eventing Championship, riding the home - bred Doublet. The following year, Anne participated in the 1976 Olympic Games in Montreal as a member of the British team, riding the Queen's horse, Goodwill. Anne assumed the Presidency of the Fédération Équestre Internationale from 1986 until 1994. On 5 February 1987, she became the first member of the Royal Family to appear as a contestant on a television quiz - show when she competed on the BBC panel game A Question of Sport.
Document 6: Eric Teichman: Sir Eric Teichman (born Erik Teichmann; 16 January 1884 – 3 December 1944 in Norfolk, England) was a British diplomat and orientalist.
Document 7: Anne Boleyn: Anne's family also profited from the relationship. Her father, already Viscount Rochford, was created Earl of Wiltshire. Henry also came to an arrangement with Anne's Irish cousin and created him Earl of Ormond. At the magnificent banquet to celebrate her father's elevation, Anne took precedence over the Duchesses of Suffolk and Norfolk, seated in the place of honour beside the King which was usually occupied by the Queen. Thanks to Anne's intervention, her widowed sister Mary received an annual pension of £100, and Mary's son, Henry Carey, was educated at a prestigious Cistercian monastery.
Document 8: Anne, Princess Royal and Princess of Orange: Anne, Princess Royal and Princess of Orange (2 November 1709 – 12 January 1759) was the second child and eldest daughter of King George II of Great Britain and his consort Caroline of Ansbach. She was the spouse of William IV, Prince of Orange, the first hereditary stadtholder of all seven provinces of the Northern Netherlands. She was Regent of the Netherlands from 1751 until her death in 1759, exercising extensive powers on behalf of her son William V. She was known as an Anglophile, due to her English upbringing and family connections, but was unable to convince the Dutch Republic to enter the Seven Years' War on the side of the British. Princess Anne was the second daughter of a British sovereign to hold the title Princess Royal. In the Netherlands she was sometimes known as Anna van Hannover.
Document 9: Eric Eichmann: Eric Eichmann (born May 7, 1965, in Margate, Florida) is a retired American soccer player. He played professionally in Germany and the United States and later served as an assistant coach with the Miami Fusion of Major League Soccer. He also earned twenty-nine caps and scored four goals, for the United States men's national soccer team.
Document 10: Étienne Manac'h: Étienne Manac'h (later known as Étienne Manoël Manac'h; February 3, 1910 in Plouigneau, Brittany – 1992) was a French career diplomat and author.
Document 11: Friedrich Rosen: Friedrich Rosen or Fritz Rosen (Leipzig, August 30, 1856 – November 27, 1935, Beijing) was a German Orientalist, diplomat and politician. From May to October 1921 he was the Foreign Minister of Germany.
Document 12: Eric Mosbacher: Eric Mosbacher (22 December 1903 – 2 July 1998) was an English journalist and translator from Italian, French, German and Spanish. He translated work by Ignazio Silone and Sigmund Freud.
Document 13: Anne Devereux: She was born in Bodenham, the daughter of Sir Walter Devereux, the Lord Chancellor of Ireland, and his wife Elizabeth Merbury. Anne's grandfather, Walter, was the son of Agnes Crophull. By Crophull's second marriage to Sir John Parr, Anne was a cousin to the Parr family which included Sir Thomas Parr; father of King Henry VIII's last queen consort, Catherine Parr.
Document 14: Anne Fitzalan-Howard, Duchess of Norfolk: Anne Mary Teresa Fitzalan-Howard, Duchess of Norfolk, ("née" Constable-Maxwell; 30 August 1927 – 8 April 2013) was a British peeress and humanitarian.
Document 15: Sophia of Hanover: Although considerably older than Queen Anne, Sophia enjoyed much better health. According to the Countess of Bückeburg in a letter to Sophia's niece, the Raugravine Luise, on 5 June 1714 Sophia felt ill after receiving an angry letter from Queen Anne. Two days later she was walking in the gardens of Herrenhausen when she ran to shelter from a sudden downpour of rain and collapsed and died, aged 83—a very advanced age for the era. Just over a month later, in August, Queen Anne died at the age of 49. Had Anne predeceased Sophia, Sophia would have been the oldest person to ascend the British throne.
ground_truth: 8 April 2013
sub_queries: Eric Teichman >> place of death Answer: Norfolk
On which date did Anne Fitzalan-Howard, Duchess of Norfolk die? Answer: 8 April 2013