Question: Who authored the work illustrated by Hiroyuki Takei?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/illustrator> <http://dbpedia.org/resource/Hiroyuki_Takei> . ?x <http://dbpedia.org/property/author> ?uri  . }
Answer: The authors of the work whose illustrator is Hiroyuki Takei are [Hiroyuki Takei, Mikami Hiromasa, Hiroyuki Takei, Mikami Hiromasa, Stan Lee].