What is the {film production company} for {founded by} of {Oprah Winfrey}
What film generation company was established by Oprah Winfrey?
What film production company was founded by Oprah Winfrey?
SELECT DISTINCT ?y WHERE { ?y rdf:type ontology:film_production_company . ?y property:founded_by resource:Oprah_Winfrey }
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/P112> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q55800> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1762059> } 
 select distinct ?sbj where { ?sbj wdt:P112 wd:Q55800 . ?sbj wdt:P31 wd:Q1762059 } 
Harpo Productions