Q: 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.
Context : The Dragunov sniper rifle (formal Russian: 1963 Snayperskaya Vintovka sistem'y Dragunova obraz'tsa 1963 goda (SVD-63), officially ''Sniper Rifle, System of Dragunov, Model of the Year 1963'') is a semi-automatic sniper/designated marksman rifle chambered in 7.6254mmR and developed in the Soviet Union.
Answer : 1963
A:
In which year was the service entry date for Dragunov sniper rifle?