Question: What is the name of the characters created by Frank Miller?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/creators> <http://dbpedia.org/resource/Frank_Miller_(comics)> . ?x <http://dbpedia.org/property/characterName> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/FictionalCharacter>}