Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
--------
Question: Alexander the Great died in which ancient city?

Answer: alexander the great

Question: Which American film actress, born in 1947, had a 14 year relationship with Clint Eastwood, starring with him in several films before splitting up in 1989?

Answer: clint eastwood

Question: Florida is to Disney World as California is to what?

Answer:
california