Question: Which ceremonial County of the East Tilbury is also the local authority of the Buckhurst Hill County High School ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/East_Tilbury> <http://dbpedia.org/ontology/ceremonialCounty> ?uri. <http://dbpedia.org/resource/Buckhurst_Hill_County_High_School> <http://dbpedia.org/ontology/localAuthority> ?uri}