Which university's graduates have worked in the Quartermaster corps?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/militaryUnit> <http://dbpedia.org/resource/Quartermaster_Corps_(United_States_Army)> . ?x <http://dbpedia.org/ontology/almaMater> ?uri  . }
Quartermaster_Corps_(United_States_Army)