How many {platform} are for {Metroid} ?
How many platforms are in Metroid?
SELECT (COUNT(?obj) AS ?value ) { wd:Q12397 wdt:P400 ?obj }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q12397> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P400> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

What number of platforms are in Metriod?