What is the branch of the politicians whose governor is Bill Clements?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/governor> <http://dbpedia.org/resource/Bill_Clements> . ?x <http://dbpedia.org/property/branch> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Politician>}
Bill_Clements