TASK DEFINITION: In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
PROBLEM: When does crossing over occur in prophase 1?

SOLUTION: pachytene stage

PROBLEM: What kind of bbq sauce does burger king use?

SOLUTION: Sweet Baby Ray's

PROBLEM: In which two hemispheres is the united states found?

SOLUTION:
Western Hemisphere and Northern Hemisphere