Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Context : The M-63 Plamen (English: Flame) is a 128mm multiple rocket launcher developed in 1963 in Yugoslavia for use in the Yugoslav People's Army.
Answer : 1963
Student:
What year was M-63 Plamen commissioned?