SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/recordedIn> <http://dbpedia.org/resource/London> . ?x <http://dbpedia.org/ontology/writer> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Single>}
Who has recorded their singles in London?
SELECT DISTINCT ?c WHERE { ?j rdf:type ontology:Single . ?j property:writer ?c . ?j property:recorded_in resource:London }
answer
The writers whose singles were recorded in London are [answer].
The authors whose singles were recorded in London are [rappers].
The writer of the singles whose recorded in is the country are [answer].
Author of singles whose inclusion in the country are [answer].