what is the {character role} for {Dragon Ball Z} has {voice actor} as {Masako Nozawa} ?
What was the role of Dragon Ball Z as the voice actor for Masako Nozawa?
SELECT ?value WHERE { wd:Q477916 p:P725 ?s . ?s ps:P725 wd:Q259422 . ?s pq:P453 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q477916> .
?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/Q259422> .
?statement <http://www.wikidata.org/entity/P453> ?value. 
} 

Voice actor Masako Nozawa voiced which role in Dragon Ball Z?