TASK DEFINITION: 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 : An order to enter the BTR-60P into Soviet Army service was issued on 13 December 1959. 
Answer : 13 December 1959

SOLUTION: What year did BTR-60 come into use?

PROBLEM: Context : Amador Salazar Jiménez (30 April 1868 -- 16 April 1916) was a Mexican military leader who participated in the Mexican Revolution. 
Answer : Mexican Revolution

SOLUTION: In which conflict did Amador Salazar participate?

PROBLEM: Context : He shortly worked in a school in Glarisegg (TG,CH) and later founded an experimental school ('La Forge') in Lausanne, Switzerland, but Adolphe Ferrière had to quickly abandon teaching due to his deafness. 
Answer : deafness

SOLUTION:
What disease did Adolphe Ferrière contract?