Question: Which television show's developer is Brian Graden and voices to the character is by Isaac Hayes?
SPARQL query: SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/developer> <http://dbpedia.org/resource/Brian_Graden> . ?uri <http://dbpedia.org/property/voices> <http://dbpedia.org/resource/Isaac_Hayes>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/TelevisionShow>}
Answer: [South Park] is the television show whose developer is Brian Graden and character voices is by Isaac Hayes.