How many {list of characters} are for {Sesame Street} ?
The total number of characters on Sesame Street is what?
How many characters are there on Sesame Street?
SELECT ( COUNT ( ?k ) AS ?j ) { resource:Sesame_Street property:list_of_characters ?k }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q155629> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1881> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q155629 wdt:P1881 ?obj }
4