What is {cast member} of {Dallas} that is {character role} is {Bobby Ewing} ?
Name the character role played by Bobby Ewing as a cast memeber of Dallas?
SELECT ?obj WHERE { wd:Q168708 p:P161 ?s . ?s ps:P161 ?obj . ?s pq:P453 wd:Q2090662 }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q168708> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P161> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P453> <http://wikidata.dbpedia.org/resource/Q2090662>
} 

What is the character role played by Bobby Ewing as a cast memeber of Dallas?