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.
Input: Context : The Cannone da 75/27 modello 11 was a French-designed field gun produced in Italy prior to World War I. It was introduced in 1912, designed by Colonel Deport.
Answer : 1912
Output:
What was the year that Cannone da 75/27 modello 11 entered service?