what is the {character role} for {Ghost in the Shell} has {voice actor} as {Kōichi Yamadera} ?
Which character in Ghost in the Shell was voiced by actor Koichi Yamadera?
What Ghost in the Shell character was voiced by actor Kōichi Yamadera?
SELECT ?v WHERE { resource:Ghost_in_the_Shell property:voice_actor ?x . ?x property:character_role ?v . ?x property:voice_actor resource:Kōichi_Yamadera }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1066948> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P725> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q333194> .
?statement <http://www.wikidata.org/entity/P453> ?value. 
} 

SELECT ?value WHERE { wd:Q1066948 p:P725 ?s . ?s ps:P725 wd:Q333194 . ?s pq:P453 ?value}