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: CANADIAN CITIES 
Clue: The name of this provincial capital means "queen" in Latin

SOLUTION: regina, saskatchewan

PROBLEM: Category: U.S. PRESIDENTS 
Clue: During his tenure, he never threw out an opening day first pitch, but before he was president, he did it for the Braves

SOLUTION: jimmy carter

PROBLEM: Category: ON THE GLOBE 
Clue: The way this nation's coastline would fit neatly into the Gulf of Guinea supports the theory of continental drift

SOLUTION:
brazil