Question: Which movies' music is composed by people associated with the band Yes?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/associatedMusicalArtist> <http://dbpedia.org/resource/Yes_(band)> . ?uri <http://dbpedia.org/ontology/musicComposer> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Film>}