Question: How many factions were fighting in the wars where Blue Jacket was a commander?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/commander> <http://dbpedia.org/resource/Blue_Jacket> . ?x <http://dbpedia.org/property/combatant> ?uri  . }
Answer: There are [12] combatants of the military conflicts whose commander was Blue Jacket.