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: The film The Curious Case of Benjamin Button, starring Brad Pitt, is based on a short story by whom?

Answer: the curious case of benjamin button


Question: Joseph Addison and Richard Steele founded (in 1711), and Boris Johnson edited, which British magazine?

Answer: boris johnson


Question: Who had overall command of the US Pacific Fleet at the Battle of Midway in June 1942 and later signed the Japanese surrender document in 1945?

Answer:
battle of midway