Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
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Question: Context : The 29th Venice International Film Festival was held from 25 August to 7 September 1968.
Answer : 1968

Answer: The date of 29th Venice International Film Festival was what?

Question: Context : Sir Godfrey McCulloch, 2nd Baronet of Mertoun (c. 1640 -- 26 March 1697) was a Scottish politician who was executed for murder.
Answer : murder

Answer: Which crime Godfrey McCulloch is considered to have commited?

Question: Context : The Letters Patent, 1947 (more formally, the Letters Patent Constituting the Office of Governor General and Commander-in-Chief of Canada) are a legal instrument introduced by King George VI, which came into effect on 1 October 1947 and continue to, along with parts of the Constitution Act, 1867, constitute the Office of the Governor General.
Answer : 1 October 1947

Answer:
The point in time of Letters Patent, 1947 was when?