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: ENGLISH 
Clue: Group of 4 letters that sounds different within words for done, exhaustive, hack, idea, branch & coarse

A: \"o-u-g-h\"
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Q: Category: THE MOVIES 
Clue: This 2003 film spawned a craze for clown fish in home aquariums

A: finding nemo
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Q: Category: THE VOCAL ARTS 
Clue: Alessandro Moreschi, who died in 1922, was the last renowned member of this operatic category of voice

A:
the castrati
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