Question: Who made the singles on the famous album Aida?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:album <http://dbpedia.org/resource/Elton_John_and_Tim_Rice's_Aida> . ?x onto:musicalArtist ?uri . ?x rdf:type onto:Single}