Question: For how many movies are there whose musicians home town is in Volos ?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:hometown <http://dbpedia.org/resource/Volos> . ?uri prop:music ?x  . ?uri rdf:type onto:Film}