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 "Jake Gyllenhaal"): A member of the Gyllenhaal family and the son of director Stephen Gyllenhaal and screenwriter Naomi Foner, Gyllenhaal began acting as a child with a screen debut in "City Slickers" (1991), followed by roles in "A Dangerous Woman" (1993) and "Homegrown" (1998).
Relevant evidence: Yes