Task: Question Generation
Input (English): Context : The Ampulomet (Russian: 125-мм ампуломёт образца 1941 года, also rendered Ampulomyot, ampulla mortar, etc., lit. ``ampule/vial thrower'' cf. миномёт) was an expedient anti-tank weapon which launched a 125mm incendiary projectile made of spherical glass. 
Subject : Ampulomet 
Relation : service entry
Output (English): What year was Ampulomet made?