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.

Let me give you an example: Context : Isaac Nicola Romero (1916 in Havana, Cuba -- 1997) was a prominent Cuban guitarist and one of the founders of the modern Cuban Guitar School. 
Answer : Havana
The answer to this example can be: What was Isaac Nicola's city of birth?
Here is why: The answer to the generated question according to context is Havana which is correct

OK. solve this:
Context : Operation Neretva '93 was an Army of the Republic of Bosnia and Herzegovina (ARBiH) operation against the Croatian Defence Council (HVO) in September 1993 on a 200 km long front from Gornji Vakuf to south of Mostar, one of its largest of the year, on areas which were included in the Croatian Republic of Herzeg-Bosnia. 
Answer : September 1993
Answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The point in time of Operation Neretva '93 was when?