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

What nationality was the composer Bela Bartok?
bela bartok

What book was written by Alexandre Dumas about Edmond Dantes' imprisonment in the Chateau d'If?
alexandre dumas

Bryan Abrams and Sam Watters were the members of which 1990s band?

bryan abrams