question: Which country the director of film Warsaw Bridge is from?
context: [["Warsaw Bridge", ["Warsaw Bridge  is a 1990 feature film by Pere Portabella.", "It was written by Portabella and his frequent collaborator\nCarles Santos, who also wrote the score.", "It was Portabella's first film since 1977, and his first to be photographed entirely in color."]], ["Pere Portabella", ["Pere Portabella (born in 1927) is a Spanish politician, director, and producer.", "In 1977, he was elected Senator in Spain's first democratic elections and participated in the writing of the Spanish Constitution.", "As a filmmaker, his style is experimental, reaching new aspects of film language, often with a poetic tone and social content.", "Portabella is hailed as an essential figure in the political and cultural history of Spain."]], ["Michael Govan", ["Michael Govan( born 1963) is the director of the Los Angeles County Museum of Art since 2006.", "Prior to this, Govan worked as the director of the Dia Art Foundation in New York City."]], ["Ian Barry (director)", ["Ian Barry is an Australian director of film and TV."]], ["John Farrell (businessman)", ["John Farrell is the director of YouTube in Latin America."]], ["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."]], ["Peter Levin", ["Peter Levin is an American director of film, television and theatre."]], ["Barbara Kostrzewska", ["Barbara Kostrzewska (1915\u20131986) was a Polish singer and theater director.", "She performed from late 1930s until after the war, when she became involved in managing several theaters.", "During World War II she worked for Polish resistance Armia Krajowa and took part in the Warsaw Uprising.", "She starred in the 1951 film \"Warsaw Premiere\"."]], ["Jan Koecher", ["Jan Koecher( 1908\u20131981) was a Polish actor.", "He played the composer Stanis\u0142aw Moniuszko in the 1951 film\" Warsaw Premiere\"."]], ["John Donatich", ["John Donatich is the Director of Yale University Press."]]]
supporting_facts: [["Warsaw Bridge", 0], ["Pere Portabella", 0]]
evidences: [["Warsaw Bridge", "director", "Pere Portabella"], ["Pere Portabella", "country of citizenship", "Spanish"]]
answer: Spanish