Task: Question Generation
Input (English): Context : The 1936 KLM Croydon accident was the crash of a KLM airliner on 9 December 1936, shortly after taking off from the Croydon Air Port (as it was known at the time) on a scheduled flight to Amsterdam, Netherlands. 
Answer : 9 December 1936
Output (English): The point in time of 1936 KLM Croydon accident was when?