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: INSECTS 
Clue: This snout beetle reached Texas from Mexico around 1890 & spread into most cotton-growing areas of the U.S.

SOLUTION: the boll weevil

PROBLEM: Category: RAIDERS 
Clue: John J. Pershing's attempts to stop this Mexican raider included the U.S. cavalry's "last charge"

SOLUTION: pancho villa

PROBLEM: Category: GLEE SONGS 
Clue: The first episode featured the ensemble singing this Journey song that begins, "Just a small town girl"

SOLUTION:
"don\'t stop believin\'"