Name the tv series produced by Stephen Ambrose and Erik Bork?
SELECT DISTINCT ?uri WHERE { ?uri <http://dbpedia.org/ontology/producer> <http://dbpedia.org/resource/Stephen_E._Ambrose> . ?uri <http://dbpedia.org/ontology/producer> <http://dbpedia.org/resource/Erik_Bork> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/TelevisionShow>}
Stephen_E._Ambrose Erik_Bork