What is the {profession} for {practiced by} of {blues}
Which calling is practiced by the blues?
Which profession is practiced by the blues?
SELECT DISTINCT ?o WHERE { resource:blues property:practiced_by ?o . ?o rdf:type ontology:profession }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q9759> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3095> . ?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/Q28640> } 
 select distinct ?obj where { wd:Q9759 wdt:P3095 ?obj . ?obj wdt:P31 wd:Q28640 } 