Conversation so far:
What was P.G. Wodehouse's first Broadway show?
P.G. Wodehouse's first Broadway show was Miss Springtime
What did P.G. Wodehouse do on this show?
P.G. Wodehouse helped write song lyrics for Miss Springtime
What is the name of P.G. Wodehouse's first Broadway show?
P.G. Wodehouse's first Broadway show was Miss Springtime
What type of work did P.G. Wodehouse do on Broadway shows?
P.G. Wodehouse wrote song lyrics on Broadway shows

Question: what shows did he write?
Self-contained rewrite: What Broadway shows did P.G. Wodehouse write?