Detailed Instructions: 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.
Problem:Context : The QBZ-95 was first observed outside China on 1 July 1997, when the United Kingdom transferred the sovereignty of Hong Kong to the People's Republic of China.
Answer : 1997
Solution:
What year was QBZ-95 commissioned?