Conversation so far:
What did PG Wodehouse do in Hollywood?
P. G. Wodehouse began the 1930s writing for MGM in Hollywood.
What did P.G. Wodehouse write in hollywood?
The studio found little for P. G. Wodehouse to do, and he had spare time to write a novel and nine short stories.

Question: What novel did he write?
Self-contained rewrite: What novel did P.G. Wodehouse write?