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]: When was the first constitution of pakistan passed?
[A]: March 1956


[Q]: Who sings the original i can't help falling in love with you?
[A]: Elvis Presley


[Q]: Who was the last person in the uk to be executed?
[A]:
Gwynne Evans and Peter Allen