What is the county seat of the district through which the Beckler River flows?
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Beckler_River> <http://dbpedia.org/ontology/district> ?x . ?x <http://dbpedia.org/ontology/countySeat> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/AdministrativeRegion>}
Beckler_River