Question: Name the TV show whose producer is Stephen E. Ambrose and company is HBO ?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/producer> <http://dbpedia.org/resource/Stephen_E._Ambrose> . ?uri <http://dbpedia.org/ontology/company> <http://dbpedia.org/resource/HBO>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/TelevisionShow>}