In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.

Example input: This list contains the top 25 accounts with the most followers on the social photo-sharing platform Instagram. As of May 2018, the most followed user is Instagram's own account, with over 235 million followers. Selena Gomez is the most followed individual, with over 137 million followers. Ten accounts have exceeded 100 million followers on the site.
Example output: who has the maximum number of followers on instagram
Example explanation: The answer is talking about the Instagram accounts that have the most followers. The question asking about the maximum number of followers. So this is a good example.
Q: The Canada Act 1982 (1982 c. 11) is an Act of the Parliament of the United Kingdom that was passed (as stated in the preamble) at the request of the Parliament of Canada, to 'patriate' Canada's constitution, ending the necessity for the British parliament to be involved in making changes to the Constitution of Canada. The Act also formally ended the 'request and consent' provisions of the Statute of Westminster 1931 in relation to Canada, whereby the British parliament had a general power to pass laws extending to Canada at its own request.
A:
when did canada gain its independence from britain