List the newspapers whose headquarters's time zone is Central European Summer Time.
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/timeZone> <http://dbpedia.org/resource/Central_European_Summer_Time> . ?uri <http://dbpedia.org/property/headquarters> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Newspaper>}
Central_European_Summer_Time