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: QUID PRO QUO-POURRI 
Clue: Give me this Northwest African mountain range & I'll give you a book of the same name where you might see it
[A]: the atlas mountains


[Q]: Category: LET'S DANCE 
Clue: Proverbially, "It Takes Two" to perform this Latin dance
[A]: tango


[Q]: Category: THE ROTARY CLUB 
Clue: On an airplane they're "fixed"; on a helicopter they're actually "rotary"
[A]:
wings