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]: Which mountain range extends through Morocco, Tunisia and Algeria, with its highest peak at Mount Jebel Toubkal?
[EX A]: tunisia

[EX Q]: Which American President along with his Soviet Union counterpart signed the 1974 SALT Treaty?
[EX A]:
president of the united states