Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
One example: Who was the first American President?
Solution is here: president of the united states
Explanation: The question talks about the president of the USA.

Now, solve this: William Randolph Hearst, Turk Murphy, Wyatt Earp and Joe DiMaggio are buried in cemeteries at Colma, where the dead outnumber the living by thousands to one. Where is Colma?
Solution:
colma, california