What is the {colony} for {official language} of {Dutch}
In which nation is Dutch the official dialect?
In which country is Dutch the official language?
SELECT DISTINCT ?u WHERE { ?u property:official_language resource:Dutch . ?u rdf:type ontology:colony }
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/Q133156> } 
 select distinct ?sbj where { ?sbj wdt:P37 wd:Q7411 . ?sbj wdt:P31 wd:Q133156 } 
Belgian Congo Cape Colony New Netherland Dutch Gold Coast Dutch Virgin Islands British Cape Colony Dutch Cape Colony Surinam