What is the {human} for {sibling} of {Silvio Berlusconi}
Who was Silvio Berlusconi's sister?
Who was the sibling of Silvio Berlusconi?
SELECT DISTINCT ?n WHERE { ?n property:sibling resource:Silvio_Berlusconi . ?n rdf:type ontology:human }
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/Q11860> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P3373 wd:Q11860 . ?sbj wdt:P31 wd:Q5 } 
Paolo Berlusconi Maria Antonietta Berlusconi