Question: Give me the total number of Guests of the television episodes whose one of the Guests is Michael Cristofer?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x prop:guests <http://dbpedia.org/resource/Michael_Cristofer> . ?x prop:guests ?uri }