question: What nationality is the director of film Who Loved Him Best??
context: [["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."]], ["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."]], ["Who Loved Him Best?", ["Who Loved Him Best?", "is a 1918 silent film drama directed by Dell Henderson and starring Edna Goodrich.", "It was produced and distributed by the Mutual Film company.", "Actress Tallulah Bankhead has an early role in the feature."]], ["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."]], ["Mamoun Hassan", ["Mamoun Hassan is a screenwriter, director, editor, producer and teacher of film who held prominent positions in British cinema during the 1970s and 1980s, frequently backing experimental work.", "He was head of production of the British Film Institute( BFI) and later managing director of the National Film Finance Corporation( NFFC)."]], ["John Donatich", ["John Donatich is the Director of Yale University Press."]], ["Kulpreet Yadav", ["Kulpreet Yadav is an Indian writer in the fiction- Thriller genre.", "He is the author of nine books including\" The Girl Who Loved a Pirate\" and\" The Girl Who Loved a Spy\".", "\" The Girl Who Loved a Pirate\" is India \u2019s first thriller based on marine piracy& hijacking."]], ["Dell Henderson", ["George Delbert \"Dell\" Henderson (July 5, 1877 \u2013 December 2, 1956) was a Canadian-American actor, director, and writer.", "He began his long and prolific film career in the early days of silent film."]], ["Ian Barry (director)", ["Ian Barry is an Australian director of film and TV."]]]
supporting_facts: [["Who Loved Him Best?", 1], ["Dell Henderson", 0]]
evidences: [["Who Loved Him Best?", "director", "Dell Henderson"], ["Dell Henderson", "country of citizenship", "Canadian"]]
answer: Canadian