What is the leader name of the settlements whose governing body is Municipal council?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/governingBody> <http://dbpedia.org/resource/Municipal_council> . ?x <http://dbpedia.org/ontology/leaderName> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Settlement>}
Municipal_council