Question: List books authored by Miguel de Cervantes and published by Francisco de Robles ?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/author> <http://dbpedia.org/resource/Miguel_de_Cervantes> . ?uri <http://dbpedia.org/ontology/publisher> <http://dbpedia.org/resource/Francisco_de_Robles>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Book>}