How many {narrator} are for {Dracula} ?
What is the number of narrators in Dracula?
How many narrators are in Dracula?
SELECT ( COUNT ( ?c ) AS ?h ) { resource:Dracula property:narrator ?c }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q41542> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2438> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q41542 wdt:P2438 ?obj }
6