Question: For which label did Elvis record his first album?
SPARQL query:
PREFIX onto: <http://dbpedia.org/ontology/> PREFIX res: <http://dbpedia.org/resource/> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> SELECT DISTINCT ?uri WHERE { ?x rdf:type onto:Album . ?x onto:artist res:Elvis_Presley . ?x onto:releaseDate ?y . ?x onto:recordLabel ?uri . } ORDER BY ASC(?y) LIMIT 1