Question: Through which label has Katy B released her singles?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/writer> <http://dbpedia.org/resource/Katy_B> . ?x <http://dbpedia.org/ontology/recordLabel> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Single>}
Answer: The record labels of the singles written by Katy B are [Rinse FM, Sony, Columbia Records, Ministry of Sound, Sony Music Entertainment].