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: Who did the united states acquire texas from?

SOLUTION: Mexico

PROBLEM: Who wrote dont it make my brown eyes blue?

SOLUTION: Richard Leigh

PROBLEM: Who played gwen in weekend at bernie's?

SOLUTION:
Catherine Mary Stewart