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.

When was the canadian charter of rights and freedoms passed?
April 17, 1982

Who published the moscow mathematical papyrus in 1930?
Struve, Vasilij Vasil'evič, and Boris Turaev

Who is the nobel peace prize named for?

Alfred Bernhard Nobel