Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

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?
service entry

Context : A Goofy Movie is available for rent on Amazon.com Video On Demand in widescreen, and is now available in all English-speaking countries (including Ireland, UK and Australia) on iTunes. 
Question : Which production company is involved with A Goofy Movie?
production company

Context : Walter Harte (1709--1774) was an English poet and historian. 
Question : What is the name of university that educated Walter Harte?

educated at