How many {maintained by} are to/by {Fukuoka} ?
Which is the number of those maintained by Fukuoka?
What is the number of those maintained by Fukuoka?
SELECT ( COUNT ( ?c ) AS ?e ) { ?c property:maintained_by resource:Fukuoka }
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/P126> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q26600 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P126 wd:Q26600 }
48