Task: Question Understanding
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. 
Question : What year was Ampulomet made?
Output (English): service entry