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

[EX Q]: Whitney Houston's husband Bobby Brown was originally a member of which successful band?
[EX A]: bobby brown

[EX Q]: Who played Bond Girl Domino Petachi in Never Say Never Again?
[EX A]: never say never again

[EX Q]: What was the name of the character played by Alec Guinness in the TV series Tinker, Tailor, Soldier, Spy?
[EX A]:
alec guinness