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

[EX Q]: What was the first Apollo mission to leave Earth orbit and orbit the moon, in 1968?
[EX A]: apollo

[EX Q]: Field Marshal Arthur Wellesley, shares his better known title with which Southern Hemisphere capital city?
[EX A]: arthur wellesley, 1st duke of wellington

[EX Q]: Which band does Rocky Gray play the drums for?
[EX A]:
drummer