Question: What borders the valley which falls under Lake County, Oregon?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/municipality> <http://dbpedia.org/resource/Lake_County,_Oregon> . ?x <http://dbpedia.org/ontology/border> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Valley>}