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 consistency, answers should be in all lower cased letters.

Q: Category: SONGS OF THE '60S 
Clue: Louis Armstrong's only No. 1 hit, it hit the charts for 19 weeks in 1964

A: "hello, dolly!"
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Q: Category: LITERATURE 
Clue: George Du Maurier introduced this evil hypnotist in his 1894 novel "Trilby"

A: svengali
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Q: Category: CURIOUS 
Clue: "Curiosity" was shortened to this word for an unusual artifact

A:
a curio
****