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: STUPID ANSWERS 
Clue: It's the hall where the Declaration of Independence was signed

SOLUTION: independence hall

PROBLEM: Category: BRAZIL 
Clue: It got its name after a Spanish explorer reported being attacked by female warriors there

SOLUTION: amazon river

PROBLEM: Category: DON'T KNOCK THE "ROCK" 
Clue: It's "the hand that rules the world"

SOLUTION:
the hand that rocks the cradle