Question: Which wine region of Bogdanua is the mouth country of Upper Neretva ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Bogdanuša> <http://dbpedia.org/ontology/wineRegion> ?uri. <http://dbpedia.org/resource/Upper_Neretva> <http://dbpedia.org/ontology/mouthCountry> ?uri}