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

Which city has sports teams known as the 'Maple Leafs' and the 'Blue Jays'?
toronto blue jays

Whitney Houston`s husband Bobby Brown was originally a member of which successful band?
bobby brown

Who in the 1960's had a number 1 hit with Come Outside?

come outside

