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.

Who nominates the chairman of the public accounts committee of indian parliament?
Lok Sabha speaker

Who wrote dont it make my brown eyes blue?
Richard Leigh

Who was fired in the saturday night massacre?

Archibald Cox