question: What nationality is the director of film Author! Author! (Film)?
context: Title: Author! Author! (film)
  Passage: Author! Author! is a 1982 American comedy-drama film directed by Arthur Hiller, written by Israel Horovitz, and starring Al Pacino, Dyan Cannon and Tuesday Weld. The film, which is loosely autobiographical, concerns a Broadway playwright who strives to solve his family and relationship troubles while trying to get a new play into production.
  Title: Arthur Hiller
  Passage: Arthur Hiller,( November 22, 1923 – August 17, 2016) was a Canadian- American television and film director with over 33 films to his credit during a 50- year career. He began his career directing television in Canada and later in the U.S. By the late 1950s he began directing films, most often comedies. He also directed dramas and romantic subjects, such as" Love Story"( 1970), which was nominated for seven Oscars. Hiller collaborated on films with screenwriters Paddy Chayefsky and Neil Simon. Among his other films were" The Americanization of Emily"( 1964)," Tobruk"( 1967)," The Hospital"( 1971)," The Out- of- Towners"( 1970)," Plaza Suite"( 1971)," The Man in the Glass Booth"( 1975)," Silver Streak"( 1976)," The In- Laws"( 1979) and" Outrageous Fortune"( 1987). Hiller served as president of the Directors Guild of America from 1989 to 1993 and president of the Academy of Motion Picture Arts and Sciences from 1993 to 1997. He was the recipient of the Jean Hersholt Humanitarian Award in 2002. An annual film festival in Hiller's honor was held from 2006 until 2009 at his alma mater, Victoria School of Performing and Visual Arts.
answer: Canadian
citations: Arthur Hiller Author! Author! (film)