SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/characters> <http://dbpedia.org/resource/Blanche_DuBois> . ?x <http://dbpedia.org/property/writer> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Play>}
Who wrote the play in which Blanche DuBois is a character?
SELECT DISTINCT ?d WHERE { ?m property:characters resource:Blanche_Du_Bois . ?m property:writer ?d . ?m rdf:type ontology:Play }
Tennessee Williams
[Tennessee Williams] is the writer of the play whose character is Blanche DuBois.
[Tennessee Williams] is the author of the play whose character is Blanche Dubois.
[Tennessee Williams] is the writer of the play whose characters is the person .
[Tennessee Williams] is the author of a play whose character is the person.