How many {platform} are to/by {TurboGrafx-16} ?
Which platforms go with the TurboGrafx-16?
How many platforms are for the TurboGrafx-16} ?
SELECT ( COUNT ( ?i ) AS ?b ) { ?i property:platform resource:TurboGrafx-16 }
SELECT (COUNT(?sub) AS ?subs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?sub .
?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> http://wikidata.dbpedia.org/resource/Q1057377 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P400 wd:Q1057377 }
294