question: What nationality is the director of film Blood Street?
context: [["Jackie Kong", ["Jackie Kong is an American screenwriter, film producer, and film director known for the cult horror film\" Blood Diner\"."]], ["Charles Leavitt", ["Charles Leavitt( born 1953) is an American screenwriter best known for writing the 2006 film\" Blood Diamond\"."]], ["Blood Street", ["Blood Street is a 1988 film co-directed by Leo Fong.", "It stars Fong in a reprised role as private detective Joe Wong who has been hired to find a woman's husband who has gone missing.", "Richard Norton, Stan Wertlieb, Stack Pierce, Chuck Jeffreys and Kymberly Paige also appear in the film."]], ["John Farrell (businessman)", ["John Farrell is the director of YouTube in Latin America."]], ["Peter Levin", ["Peter Levin is an American director of film, television and theatre."]], ["John Donatich", ["John Donatich is the Director of Yale University Press."]], ["Ian Barry (director)", ["Ian Barry is an Australian director of film and TV."]], ["Leo Fong", ["Leo Fong (born November 23, 1928) is a Chinese American actor, martial artist, boxer, and former Methodist minister who has been making films, acting, and directing since the early 1970s.", "His latest film role is in \"Challenge of Five Gauntlets\" which was released in 2018."]], ["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."]], ["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: [["Blood Street", 0], ["Leo Fong", 0]]
evidences: [["Blood Street", "director", "Leo Fong"], ["Leo Fong", "country of citizenship", "Chinese"]]
answer: Chinese