Question: How many movies have their music signed up with Sony Music Entertainment.
SPARQL:
SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/recordLabel> <http://dbpedia.org/resource/Sony_Music_Entertainment> . ?uri <http://dbpedia.org/ontology/musicComposer> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Film>}