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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: IT'S NOT UNUSUAL 
Clue: From 1938 to 2003, Volkswagen hatched more than 20 million cars of this model

SOLUTION: the beetle

PROBLEM: Category: TWAIN TRACTS 
Clue: A miner bets on his amphibian's leaping ability in "The Celebrated Jumping Frog of" this county

SOLUTION: calaveras county

PROBLEM: Category: 4-LETTER "W"ORDS 
Clue: It often precedes west, fire & flower

SOLUTION:
wild