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: ALLITERATION 
Clue: Football, baseball & water polo when watched rather than played

SOLUTION: a spectator sport

PROBLEM: Category: THE 16th CENTURY 
Clue: In the 1569 Union of Lublin, Zygmunt II united Lithuania & this country

SOLUTION: poland

PROBLEM: Category: FLAMING FOODS 
Clue: You can make a flaming version of this tex-mex dish whose name means "little sashes"

SOLUTION:
fajitas