What is the {human} for {employer} of {Qantas}
Qantas is lead by who?
Who is the leader of Qantas?
SELECT DISTINCT ?b WHERE { ?b rdf:type ontology:human . ?b property:employer resource:Qantas }
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/P108> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q32491> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P108 wd:Q32491 . ?sbj wdt:P31 wd:Q5 } 
Alan Joyce David Epstein Lenox Hewitt Julio Santisteban Jamila Gordon