Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Zoey Barkow, Kevin Peyton, Eddie Walzer and Fitch Cooper are all characters in which US television series?

Answer: merritt wever


Question: In which classic T.V. crime series did Captain Frank Furillo appear ?

Answer: frank furillo


Question: Which daughter of Agamemnon was sacrificed for a fair wind?

Answer:
agamemnon