Question: Where is the person from whose military rank is Airman first class?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:militaryRank <http://dbpedia.org/resource/Airman_first_class> . ?x prop:state ?uri  . ?x rdf:type onto:Person}