Question: Which film has the director who is older than the other, Girls Trip or So This Is College? 
Sentence (from "So This Is College"): So This Is College is a 1929 American comedy film directed by Sam Wood, written by Al Boasberg, Delmer Daves and Joseph Farnham, and starring Elliott Nugent, Robert Montgomery in his film debut, Cliff Edwards, Sally Starr and Phyllis Crane.
Relevant evidence: Yes