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.

Ex Input:
Who was the 20th prime minister of canada?

Ex Output:
Jean Chretien


Ex Input:
When does crossing over occur in prophase 1?

Ex Output:
pachytene stage


Ex Input:
Who played kris kringle in the original miracle on 34th street?

Ex Output:

Edmund John Kellaway