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 Q]: Who plays danny heffernan on king of queens?
[EX A]: brother of actor Kevin James

[EX Q]: Who wrote sitting by the dock of the bay?
[EX A]: Otis Redding and Steve Cropper

[EX Q]: Who is the best selling novelist of all time?
[EX A]:
Dame Agatha Mary Clarissa Christie, Lady Mallowan, DBE