What is the {single} for {tracklist} of {OK Computer}
Which album is the OK computer on the track?
On which album is the track OK computer?
SELECT DISTINCT ?l WHERE { resource:OK_Computer property:tracklist ?l . ?l rdf:type ontology:single }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q202996> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P658> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q134556> } 
 select distinct ?obj where { wd:Q202996 wdt:P658 ?obj . ?obj wdt:P31 wd:Q134556 } 
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