Question: Who is the author of Heroman is also the author of Karakuri Dji Ultimo ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Heroman> <http://dbpedia.org/property/author> ?uri. <http://dbpedia.org/resource/Karakuri_Dôji_Ultimo> <http://dbpedia.org/ontology/author> ?uri}