List the universities from a country where Norwegian language is officially accepted.
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/officialLanguage> <http://dbpedia.org/resource/Norwegian_language> . ?uri <http://dbpedia.org/ontology/country> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/University>}
Norwegian_language