Question: Through how many labels has Katy B released her singles?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/writer> <http://dbpedia.org/resource/Katy_B> . ?x <http://dbpedia.org/ontology/recordLabel> ?uri  . }
Answer: There are [14] records labels with singles written by Katy B.