Question: How many other characters are there of the plays which has a characters name Joker?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/characters> <http://dbpedia.org/resource/Joker_(comics)> . ?x <http://dbpedia.org/property/characters> ?uri }
Answer: There are [12] characters on plays where Joker is one of them.