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

Q: Alejandro Amaya, Carlos Arruza, Jaime Bravo and Carmelo Torres are famous Mexican?

A: alejandro amaya
****
Q: Who composed the opera 'Albert Herring' in 1947?

A: albert herring
****
Q: What brand name are Chuck Taylor sneakers sold under?

A:
chuck taylor all-stars
****