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.

[EX Q]: Category: THE 10 LARGEST COUNTRIES IN THE WORLD 
Clue: The one that spans 11 time zones
[EX A]: russia

[EX Q]: Category: I HEAR A SYMPHONY 
Clue: Mozart's 38th is called by the name of this city that stood in for Vienna in the filming of "Amadeus"
[EX A]: prague

[EX Q]: Category: SNAKES 
Clue: These are always open, & their protective covering, called the spectacle, is shed with the skin
[EX A]:
eyes