Question: Who were the commanders during the events which took place in Sandusky County, Ohio?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/place> <http://dbpedia.org/resource/Sandusky_County,_Ohio> . ?x <http://dbpedia.org/ontology/commander> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Event>}