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

[EX Q]: Who follows 'the eight fold path'?
[EX A]: noble eightfold path

[EX Q]: Who had a hit in 1984 with `99 Red Balloons`?
[EX A]:
99 luftballons