Question: Who was the voice actor of allen walker also gave voice to kimihiro watanuki?
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Allen_Walker> <http://dbpedia.org/ontology/voice> ?uri. <http://dbpedia.org/resource/Kimihiro_Watanuki> <http://dbpedia.org/ontology/voice> ?uri . }