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: THE COUNTRY WHERE YOU'D FIND 
Clue: ...the longest bridge over water in the world

SOLUTION: the united states

PROBLEM: Category: TV & MOVIE ACTORS 
Clue: John Mahoney of "Frasier" played one of the guys who sold aluminum siding in this Barry Levinson film

SOLUTION: tin men

PROBLEM: Category: EXPLORERS 
Clue: After moving to Spain in 1485 he used Colon, the Spanish version of his name

SOLUTION:
columbus