You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Q: Category: WORLD GEOGRAPHY 
Clue: The name of this large port city on Western Europe's Schelde River literally means "at the wharf"

A: antwerp
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Q: Category: ENTERTAINERS 
Clue: Lauren Bacall coined this name for a carousing group including Humphrey Bogart, Judy Garland & Frank Sinatra

A: \"the rat pack\"
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Q: Category: ARIAS 
Clue: He composed the following song sung by Siegmund:

A:
richard wagner
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