What is the {community of Belgium} for {official language} of {Dutch}
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What community of Belgium uses Dutch as its official language?
SELECT DISTINCT ?r WHERE { ?r property:official_language resource:Dutch . ?r rdf:type ontology:community_of_Belgium }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P37> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q7411> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q89934> } 
 select distinct ?sbj where { ?sbj wdt:P37 wd:Q7411 . ?sbj wdt:P31 wd:Q89934 } 
Flemish Community Flanders