question: Where did the director of film Back Long Ago die?
context: [["Reinhard M\u00fcnster (director)", ["Reinhard M\u00fcnster( born 1955) is a German film director and screenwriter.", "His 1994 film\" Back to Square One\" was entered into the 44th Berlin International Film Festival."]], ["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."]], ["Ian Barry (director)", ["Ian Barry is an Australian director of film and TV."]], ["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."]], ["Back Long Ago", ["Back Long Ago  is a 1969 Argentine film directed by Ricardo Becher and written by Guillermo Enrique Hudson, with George Sherry Zabrieskie.", "The film starred Anna Bradley, Rodolfo L\u00f3pez and Cihangir Gaffari as John Foster."]], ["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."]], ["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."]], ["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."]], ["Ricardo Becher", ["Ricardo Becher (1930\u20132011) was an Argentine film director, screenwriter and journalist.", "He directed twelve films 1955 and 2006.", "His 1969 film \"Coup de Gr\u00e2ce\" was entered into the 19th Berlin International Film Festival.", "He worked as Leopoldo Torre Nilsson's assistant director on four films.", "During the 1970s he made a living in advertising and publicity.", "Since 1990 he made a career as a filmmaking teacher and he has published two novels.", "In 2006 he screened his last feature film in the VI BAFICI (", "Buenos Aires Festival Internacional de Cine Independiente) where a retrospective of his films was made.", "He is the founder of the N.E.D Neo expresionismo digital, a way of transforming the video footage (imagen mundo) by postproduction filters in the search of its essence."]], ["Peter Levin", ["Peter Levin is an American director of film, television and theatre."]]]
supporting_facts: [["Back Long Ago", 0], ["Ricardo Becher", 7]]
evidences: [["Back Long Ago", "director", "Ricardo Becher"], ["Ricardo Becher", "place of death", "Buenos Aires"]]
answer: Buenos Aires