Question: How many genres gave birth to other genres which emphasize Bass Guitars?
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:instruments <http://dbpedia.org/resource/Bass_guitar> . ?x onto:stylisticOrigin ?uri . ?uri rdf:type onto:MusicGenre}