How many {chairperson} are for {Musée d'Orsay} ?
Which is the number of chairperson for Musee d'Orsay?
How many chairperson for Musee d'Orsay
SELECT ( COUNT ( ?p ) AS ?y ) { resource:Musée_d'Orsay property:chairperson ?p }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q23402> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P488> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q23402 wdt:P488 ?obj }
2