Did {Jimi_Hendrix} {military branch} {United States Army}?
Was Jimi Hendrix ever a member of the US Army?
Did Jimi Hendrix serve in the US Army?
ASK WHERE { resource:Jimi_Hendrix property:military_branch resource:United_States_Army }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q5928> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P241> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q9212>. } 
ASK WHERE { wd:Q5928 wdt:P241 wd:Q9212 }