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.

Example Input: Who played jerry lee lewis in great balls of fire?
Example Output: Dennis Quaid

Example Input: Who's the little girl that played in waterworld?
Example Output: Tina Marie Majorino

Example Input: What season of grey's anatomy does jackson come?
Example Output:
season 6