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.

[EX Q]: Context : The Kensington Canal was a canal, about two miles long, opened in 1828 in London from the River Thames at Chelsea, along the line of Counter's Creek, to a basin near Warwick Road in Kensington.
Answer : 1828
[EX A]: What was the date of the opening of Kensington Canal?

[EX Q]: Context : After graduating with a law doctorate from the University of Vienna, Emanuel Herrmann, the son of the Bezirkshauptmann (district administrator) of Klagenfurt, entered the civil service in the Austrian ministry of commerce and qualified for a university career as a ''Privatdozent'' in the field of national economics.
Answer : University of Vienna
[EX A]: What university did Emanuel Herrmann attend?

[EX Q]: Context : The Karaiskakis Stadium disaster was an incident that occurred on 8 February 1981, in the Karaiskakis Stadium in Neo Faliro, Piraeus, Greece, after the conclusion of a football match between Olympiacos and AEK Athens.
Answer : 8 February 1981
[EX A]:
When did Karaiskakis Stadium disaster occur?