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: Krist Novoselic and Dave Grohl were two thirds of which band, formed in Aberdeen (Washington State) whose albums include Bleach and In Utero?

Answer: dave grohl

Question: Ride of the Valkyries is the official quick march of which branch of the British Army?

Answer: british army

Question: What is Canada's largest, newest, and least populated territory?

Answer:
canada