What is the {human} for {owner of} of {Dallas Cowboys}
Who owns the Dallas Cowboys?
Who is the person that owns the Dallas Cowboys?
SELECT DISTINCT ?y WHERE { ?y rdf:type ontology:human . ?y property:owner_of resource:Dallas_Cowboys }
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/P1830> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q204862> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P1830 wd:Q204862 . ?sbj wdt:P31 wd:Q5 } 
Jerry Jones