"opening_hours"=>"\"on appointment\"","source:date"=>"2014-06-14"
"opening_hours"=>"We-Sa 11:00-17:00","source:date"=>"2014-02-11","wikidata"=>"Q13135703"
"fee"=>"yes","opening_hours"=>"Tu-Fr 10:00-17:00; Sa-Mo 14:00-17:00","payment:museumkaart"=>"yes","wikidata"=>"Q5335918"