Question: Who is the writer of the Cavalcade of America and The United States Steel Hour ?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { res:Cavalcade_of_America onto:writer ?uri. res:The_United_States_Steel_Hour onto:writer ?uri . }