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