what is the {character role} for {Dexter} has {cast member} as {Jennifer Carpenter} ?
Who does Jennifer Carpenter play on Dexter?
What is Jennifer Carpenter's role on Dexter?
SELECT ?e WHERE { ?d property:character_role ?e . ?d property:cast_member resource:Jennifer_Carpenter . resource:Dexter property:cast_member ?d }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q23577> .
?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> <http://wikidata.dbpedia.org/resource/Q230641> .
?statement <http://www.wikidata.org/entity/P453> ?value. 
} 

SELECT ?value WHERE { wd:Q23577 p:P161 ?s . ?s ps:P161 wd:Q230641 . ?s pq:P453 ?value}