Question: In how many different wars have people graduated from the Army Command and General staff college fought?
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:almaMater <http://dbpedia.org/resource/United_States_Army_Command_and_General_Staff_College> . ?x prop:battles ?uri  . }