Question: How many bands collaborated with artists who signed up with EMI?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:recordLabel <http://dbpedia.org/resource/EMI> . ?x onto:associatedMusicalArtist ?uri  . ?uri rdf:type onto:Band}