What is the {human} for {sibling} of {Selena}
Name the sister of Selena.
Who is the sister of Selena?
SELECT DISTINCT ?w WHERE { ?w rdf:type ontology:human . ?w property:sibling resource:Selena }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3373> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q23543> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P3373 wd:Q23543 . ?sbj wdt:P31 wd:Q5 } 
A.B. Quintanilla