question: What is the place of birth of the director of film The Black Cover?
context: [["Ian Barry (director)", ["Ian Barry is an Australian director of film and TV."]], ["Peter Levin", ["Peter Levin is an American director of film, television and theatre."]], ["Min Bahadur Bham", ["Min Bahadur Bham is the director of the hit Nepali movie called \"The Black Hen\"."]], ["Jesse E. Hobson", ["Jesse Edward Hobson( May 2, 1911 \u2013 November 5, 1970) was the director of SRI International from 1947 to 1955.", "Prior to SRI, he was the director of the Armour Research Foundation."]], ["Harry Piel", ["Hubert August Piel (12 July 1892, in D\u00fcsseldorf \u2013 27 March 1963, in Munich), known as Harry Piel, was a prolific German actor, film director, screenwriter and film producer who was involved in over 150 films.", "Piel became a director in 1912, turning out such box-office successes as \"Mann Gegen Mann\" (1928), \"Achtung! - Auto-Diebe!\"", "(1930) and \"Artisten\" (1935).", "His last directorial effort was 1953's \"Gesprengte Gitter (Elephant Fury\", a.k.a. \"Panic\"), which he also produced, wrote, and starred."]], ["Olav Aaraas", ["Olav Aaraas( born 10 July 1950) is a Norwegian historian and museum director.", "He was born in Fredrikstad.", "From 1982 to 1993 he was the director of Sogn Folk Museum, from 1993 to 2010 he was the director of Maihaugen and from 2001 he has been the director of the Norwegian Museum of Cultural History.", "In 2010 he was decorated with the Royal Norwegian Order of St. Olav."]], ["S. N. Mathur", ["S.N. Mathur was the Director of the Indian Intelligence Bureau between September 1975 and February 1980.", "He was also the Director General of Police in Punjab."]], ["Brian Kennedy (gallery director)", ["Brian Patrick Kennedy( born 5 November 1961) is an Irish- born art museum director who has worked in Ireland and Australia, and now lives and works in the United States.", "He is currently the director of the Peabody Essex Museum.", "He was the director of the Toledo Museum of Art in Ohio from 2010 to 2019.", "He was the director of the Hood Museum of Art from 2005 to 2010, and the National Gallery of Australia( Canberra) from 1997- 2004."]], ["The Black Cover", ["The Black Cover (German:Das schwarze Kuvert) is a 1922 German silent film directed by and starring Harry Piel.", "The film's art direction was by Willi Herrmann and Albert Korell."]], ["Dana Blankstein", ["Dana Blankstein- Cohen( born March 3, 1981) is the director of the Israeli Academy of Film and Television.", "She is a film director, and an Israeli culture entrepreneur."]]]
supporting_facts: [["The Black Cover", 0], ["Harry Piel", 0]]
evidences: [["The Black Cover", "director", "Harry Piel"], ["Harry Piel", "place of birth", "D\u00fcsseldorf"]]
answer: Düsseldorf