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

[EX Q]: What is the main river of Brazil?
[EX A]: brazil

[EX Q]: What was the currency of Austria before the Euro?
[EX A]: austria

[EX Q]: Michael Jordan was with which team when they won 6 National Basketball Association titles?
[EX A]:
basketball