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.

Q: Context : Fadl Ashsha'ira (died 871) was one of 'three early ``Abbasid singing girls ... particularly famous for their poetry' and is one of the pre-eminent medieval Arabic female poets whose work survives. 
Answer : female

A: Which was the gender of Fadl Ashsha'ira?
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Q: Context : CFM International is a joint venture between GE Aviation, a division of General Electric of the United States and Snecma, a division of Safran of France. 
Answer : GE Aviation

A: Which company is the parent company of CFM International?
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Q: 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

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