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

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

Which group had UK top ten hits in 1987 with 'Sweet Little Mystery' and 'Angel Eyes'?
angel eyes

What is the only major US City (which was founded in 1701 by Frenchman Antoine de la Mothe Cadillac), that looks south to Canada?

canada