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 TITLE ESCAPES ME 
Clue: 3 chimpanzees travel through time to 20th century Earth in the 1971 sequel "Escape From" this place

SOLUTION: the planet of the apes

PROBLEM: Category: AMERICAN POETRY 
Clue: In "Stopping by Woods on a Snowy Evening", he wrote that he had "promises to keep, and miles to go before I sleep"

SOLUTION: frost

PROBLEM: Category: PENINSULAS 
Clue: Politically, it's divided into Spain, Portugal & Gibraltar

SOLUTION:
iberian peninsula