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

[Q]: Which cartoon character had friends called Velma Dinidey and Daphne Blake?
[A]: daphne

[Q]: The song Don't Rain On My Parade features in which musical?
[A]: don't rain on my parade

[Q]: A carillon is a set of at least 23 what, often located in a tower, each producing a musical note and usually played from a keyboard?
[A]:
carillon