Question: Robert Mackenzie is an Australian supervising sound editor, he is known for which critically acclaimed biographical war-drama film, directed by Mel Gibson and written by Andrew Knight and Robert Schenkkan?
Sentence (from "Hacksaw Ridge"): The film focuses on the World War II experiences of Desmond Doss, an American pacifist combat medic who was a Seventh-day Adventist Christian, refusing to carry or use a firearm or weapons of any kind.
Relevant evidence: No