Question: How many bands have members currently playing the Fender Stratocaster?
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 prop:notableInstruments <http://dbpedia.org/resource/Fender_Stratocaster> . ?uri prop:currentMembers ?x . ?uri rdf:type onto:Band}