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: PLACES OF INCARCERATION 
Clue: "Shark Island" Prison is part of Dry Tortugas National Park in the extreme southwest of this state

A: florida
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Q: Category: OPERAS BY CONTINENT 
Clue: "Aida "

A: africa
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Q: Category: "IBLE"S & BITS 
Clue: 14-letter adjective for something that can't be wiped out

A:
indestructible
****