How many {presenter} are for {Top Gear} ?
Which is the number of presenters for Top Gear?
How many presenters are for Top Gear?
SELECT ( COUNT ( ?h ) AS ?n ) { resource:Top_Gear property:presenter ?h }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q33162> .
?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:Q33162 wdt:P371 ?obj }
9