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 : George Akropolites, Latinized as Acropolites or Acropolita (Greek: Γεῶργιος Ἀκροπολίτης, Georgios Akropolitês, 1217 or 1220 -- 1282), was a Byzantine Greek historian and statesman born at Constantinople. 
Answer : 1282

Answer: On what date did George Akropolites expire?


Question: Context : NGC 6886 is a planetary nebula in the constellation Sagitta. 
Answer : Sagitta

Answer: In which constellation is NGC 6886?


Question: Context : SilkAir Flight 185 was a scheduled SilkAir passenger flight from Jakarta, Indonesia, to Singapore, which crashed into the Musi River near Palembang in southern Sumatra, on 19 December 1997, killing all 97 passengers and seven crew on board. 
Answer : 19 December 1997

Answer:
The date of SilkAir Flight 185?