Question: Were both Hal Yates and Robert Mulligan American?
Sentence (from "Robert Mulligan"): Robert Patrick Mulligan (August 23, 1925 – December 20, 2008) was an American film and television director best known as the director of humanistic American dramas, including "To Kill a Mockingbird" (1962), "Summer of '42" (1971), "The Other" (1972), "Same Time, Next Year" (1978) and "The Man in the Moon" (1991).
Relevant evidence: Yes