Question: Which labels have published songs written by Harry Connick Jr?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/writer> <http://dbpedia.org/resource/Harry_Connick,_Jr.> . ?x <http://dbpedia.org/property/label> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Song>}