Question: What all are in the states whose anthem is Ja, vi esker dette landet?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:anthem <http://dbpedia.org/resource/Ja,_vi_elsker_dette_landet> . ?uri onto:country ?x . }