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

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

[EX Q]: Alejandro Amaya, Carlos Arruza, Jaime Bravo and Carmelo Torres are famous Mexican?
[EX A]: alejandro amaya

[EX Q]: Ornette Coleman, Louis Armstrong and Charles Mingus are associated with what style of music?
[EX A]:
charles mingus