Question: Jack Twist is a fictional character of the short story "Brokeback Mountain" by Annie Proulx, where he is portrayed by American actor Jake Gyllenhaal, an American actor, and son of which director?
Sentence (from "Jack Twist"): Jack's story is depicted by the complex, sexual, and romantic relationship he has with Ennis Del Mar in the American West from 1963 to 1983.
Relevant evidence: No