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 wrote let's spend the night together?

SOLUTION: Mick Jagger and Keith Richards

PROBLEM: Who played robin's mother on how i met your mother?

SOLUTION: Tracey Ullman

PROBLEM: Who was the captain of indian cricket team in 2007 world cup?

SOLUTION:
Rahul Sharad Dravid