Question: Which wars were fought by the commander whose deputy was Robert T. Herres?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/deputy> <http://dbpedia.org/resource/Robert_T._Herres> . ?uri <http://dbpedia.org/ontology/commander> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/MilitaryConflict>}