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

Q: Princess Estelle, Duchess of Ostergotland, granddaughter to King Carl XVI Gustaf, became 2nd in line to what nation's throne when born in 2012?

A: carl xvi gustaf of sweden
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Q: Scamps Adventure was a 2001 straight-to-video follow up to which Disney film?

A: lady and the tramp ii: scamp's adventure
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Q: Which British composer wrote The Dam Busters March?

A:
the dam busters march
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