Question: Who all have been a commander during the battles of Ohio?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/place> <http://dbpedia.org/resource/Ohio> . ?x <http://dbpedia.org/ontology/commander> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/MilitaryConflict>}