Question: In which wars were people from the Saudi Arabian ministry of defense involved?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/office> <http://dbpedia.org/resource/Minister_of_Defense_(Saudi_Arabia)> . ?x <http://dbpedia.org/property/battles> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Person>}