Question: Count the wars in which people awarded with the Croix de guerre fought.
SPARQL:
SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/awards> <http://dbpedia.org/resource/Croix_de_guerre_1939–1945_(France)> . ?x <http://dbpedia.org/property/battles> ?uri  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/MilitaryConflict>}