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: FICTIONAL CHARACTERS 
Clue: Lassiter is the gun-slinging hero of this Zane Grey novel & appears in its sequel "The Rainbow Trail"

A: "riders of the purple sage"
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Q: Category: LANGUAGES 
Clue: It's Panama's official language

A: spanish
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Q: Category: LITERATURE 
Clue: This character's first literary appearance was in the tragic drama "The Seducer of Seville"

A:
don juan
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