Question: What are some movies written by British writers?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/nationality> <http://dbpedia.org/resource/British_people> . ?uri <http://dbpedia.org/ontology/writer> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Film>}