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

The film The Curious Case of Benjamin Button, starring Brad Pitt, is based on a short story by whom?
the curious case of benjamin button

What was Casanova's occupation at the time of is death?
giacomo casanova

Brenda Ann Spencer's justification for opening fire at a San Diego school on January 29th 1979 inspired which song by The Boomtown Rats?

the boomtown rats