Question: List the movies whose music composer is often associated with Jon and Vangelis.
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/associatedActs> <http://dbpedia.org/resource/Jon_and_Vangelis> . ?uri <http://dbpedia.org/ontology/musicComposer> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Film>}