instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Which composer was married to Clara Wieck from 1840 until his death in 1856?
answer:
clara schumann

question:
What's missing: Magnum Force, The Enforcer, Sudden Impact, and The Dead Pool?
answer:
sudden impact

question:
Who was the lead singer with the Newcastle group The Animals?
answer:
the animals