Question: Which mainter of  Cheasty Boulevard South is also the county seat of the King County, Washingtonsu ?
SPARQL query:
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Cheasty_Boulevard_South> onto:maintainedBy ?uri. <http://dbpedia.org/resource/King_County,_Washington> onto:countySeat ?uri}