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 : Club Vip is owned by Jose Manuel Antunes of Whitejets and Omni Aviation of Portugal, controller of the Portuguese charter airline White Airways.
Answer : Omni Aviation

Answer: Which company is the parent company of Whitejets?

Question: Context : Lamar Johnson Sr. (born September 2, 1950), is a retired American professional baseball player and former hitting coach for the Milwaukee Brewers, Kansas City Royals, Seattle Mariners and New York Mets.
Answer : baseball player

Answer: What was Lamar Johnson's occupation?

Question: Context : The 1958 Syerston Avro Vulcan crash was a military aviation accident that occurred in England on 20 September 1958 during an air show at RAF Syerston, Nottinghamshire when a prototype Avro Vulcan bomber crashed.
Answer : 20 September 1958

Answer:
The date of 1958 Syerston Avro Vulcan crash was what?