Question: Who were the narrators of the albums which had Ringo Starr as one of the narrator ?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x prop:narrated <http://dbpedia.org/resource/Ringo_Starr> . ?x prop:narrated ?uri . ?x rdf:type onto:Album}