Question: How many books are written by the author who is famous for Novelas Ejemplares?
SPARQL:
SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/notableWork> <http://dbpedia.org/resource/Novelas_ejemplares> . ?uri <http://dbpedia.org/ontology/author> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Book>}