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.

Q: Who does jeffrey dean morgan play in supernatural?

A: John Eric Winchester
****
Q: Who was the pale rider supposed to be?

A: Thanatos
****
Q: Who plays jackie kennedy in the movie jackie?

A:
Neta-Lee Hershlag
****