Question: List all the narrators of the albums which had Alan Barzman as one of the narrator ?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/narrated> <http://dbpedia.org/resource/Alan_Barzman> . ?x <http://dbpedia.org/property/narrated> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Album>}