TASK DEFINITION: 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.
PROBLEM: Category: WORLD GEOGRAPHY 
Clue: The world's highest city of over 1 million people sits at about 12,000 feet in these mountains

SOLUTION: the andes

PROBLEM: Category: CANADIAN CITIES 
Clue: The name of this provincial capital means "queen" in Latin

SOLUTION: regina, saskatchewan

PROBLEM: Category: 20th CENTURY CLASSICAL MUSIC 
Clue: This work written in 1931 consists of 5 movements including "On the Trail" & "Painted Desert"

SOLUTION:
\"grand canyon suite\"