Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Ex Input:
What is the capital of the US state of California?

Ex Output:
california

Ex Input:
Baltusrol Course lies in which US state?

Ex Output:
baltusrol golf club

Ex Input:
Born in 1921, who connects 'Are You Being Served' with 'Last of the Summer Wine'?

Ex Output:
last of the summer wine