What is the {human} for {screenwriter} of {The Birth of a Nation}
Who is the screenwriter for The Birth of a Nation
Who is the screenwriter for The Birth of a Nation
SELECT DISTINCT ?z WHERE { resource:The_Birth_of_a_Nation property:screenwriter ?z . ?z rdf:type ontology:human }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q220394> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P58> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?obj where { wd:Q220394 wdt:P58 ?obj . ?obj wdt:P31 wd:Q5 } 
Frank E. Woods Thomas Dixon Jr. D. W. Griffith