Question: What nationality is the director of film C.A.T. Squad?
Sentence (from "William Friedkin"): Beginning his career in documentaries in the early 1960s, he is perhaps best known for directing the action thriller film "The French Connection" (1971) and the supernatural horror film "The Exorcist" (1973), the former of which won five Academy Awards, including Best Picture, Best Adapted Screenplay and Best Director.
Relevant evidence: No