Task: Question Generation
Input (English): Context : The 2008 Macedonian Armed Forces Mil Mi-17 crash occurred on Saturday, 12 January 2008, when a Mil Mi-17 transport helicopter belonging to the Armed Forces of the Republic of Macedonia, crashed 50--100 metres from the village of Blace, situated in the region of Katlanovo, approximately 10--15 kilometres south-east of Skopje, Republic of Macedonia due to low visibility caused by heavy fog. 
Answer : 12 January 2008
Output (English): The point in time of 2008 Macedonian Armed Forces Mil Mi-17 crash was when?