You will be given a definition of a task first, then some input of the task.
You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.

Context : The 1957 Aqaba Valetta accident happened on the 17 April 1957 when a twin-engined Vickers Valetta C.1 transport aircraft, serial number VW832, of 84 Squadron, Royal Air Force crashed and was destroyed after departing from Aqaba Airport in Jordan following wing failure due to turbulence.
Subject : 1957 Aqaba Valetta accident
Relation : point in time
Output:
What is the full date that 1957 Aqaba Valetta accident crashed on?