Question: List some writers which speak one of the Germanic languages.
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/languageFamily> <http://dbpedia.org/resource/Germanic_languages> . ?uri <http://dbpedia.org/property/language> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Writer>}