SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/language> <http://dbpedia.org/resource/Spanish_language> . ?uri <http://dbpedia.org/property/author> ?x . }
Name some books by Spanish speaking authors.
SELECT DISTINCT ?h WHERE { ?e property:language resource:Spanish_language . ?h property:author ?e . }
answer
The books written by Spanish speaking authors are [answer].
Books by Spanish authors are [answer].