Question: In which country does the river end which originates in Lebrsnik?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/sourcePlace> <http://dbpedia.org/resource/Lebršnik> . ?x <http://dbpedia.org/ontology/mouthCountry> ?uri  . }
Answer: The mouth country of the river whose source place is Lebrnik is [Croatia].