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: Inked by Dean Young, the travails of the Bumstead family are depicted in what comic strip created in 1930?

Answer: dean young

Question: Established in 1919, which is the world's oldest surviving airline?

Answer: airline

Question: Who played Robert Stroud in the 1962 film The Birdman of Alcatraz?

Answer:
birdman of alcatraz