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 : The series follows adventures of Dipper Pines (voiced by Jason Ritter) and his twin sister Mabel (voiced by Kristen Schaal) in the fictional town of Gravity Falls, Oregon, while on summer vacation. 
Answer : Oregon
[A]: Which place does Gravity Falls exist in?


[Q]: Context : Furioso II (1965 - 1986) is one of the most influential sires in sport horse history. 
Answer : 1986
[A]: When did the life of Furioso II end?


[Q]: Context : Production of the definitive version of the Hwasong-5 (``Scud Mod. B'' or ``Scud-B'') began at a slow rate in 1985. 
Answer : 1985
[A]:
What year did Hwasong-5 come into use?