Question: How many people have fought wars where Arthur St. Clair was a commander?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/commander> <http://dbpedia.org/resource/Arthur_St._Clair> . ?x <http://dbpedia.org/property/combatant> ?uri  . }
Answer: There are [8] combatants in the military conflicts commanded by Arthur St. Clair.