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

A: the andes
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Q: Category: SIGNS & SYMBOLS 
Clue: The official insignia of this profession includes a serpent on a staff, a Greek delta & 32 leaves

A: dentistry
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Q: Category: FOOD ETYMOLOGY 
Clue: Keith Downey developed rapeseed into this cooking product, now a huge cash crop for farmers in Saskatchewan

A:
canola
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