In which state does the valley bordering the Modoc plateau lie?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/border> <http://dbpedia.org/resource/Modoc_Plateau> . ?x <http://dbpedia.org/ontology/state> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Valley>}
Modoc_Plateau