How many {presenter} are for {The Tonight Show} ?
The Tonight Show has had how many presenters?
How many presenters has the Tonight Show had?
SELECT ( COUNT ( ?q ) AS ?p ) { resource:The_Tonight_Show_Starring_Jimmy_Fallon property:presenter ?q }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1338655> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P371> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q1338655 wdt:P371 ?obj }
1