How many {writing system} are for {Javanese} ?
For Javanese, how many writing systems are there?
How many writing systems are there for Javanese?
SELECT ( COUNT ( ?v ) AS ?x ) { resource:Javanese property:writing_system ?v }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q33549> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P282> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q33549 wdt:P282 ?obj }
5