Question: In which countries can i find some feminist writers?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/movement> <http://dbpedia.org/resource/Feminism> . ?x <http://dbpedia.org/ontology/nationality> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Writer>}