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

[Q]: Which rank of the peerage is directly below a duke?
[A]: duke


[Q]: Zoey Barkow, Kevin Peyton, Eddie Walzer and Fitch Cooper are all characters in which US television series?
[A]: merritt wever


[Q]: What was the name of the comic strip that featured Charlie Brown and Snoopy?
[A]:
charlie brown