"source:date"=>"2017-07-11"
"capacity"=>"90","denomination"=>"reformed","isced"=>"1","max_age"=>"12","min_age"=>"4","religion"=>"christian","source:date"=>"2017-07-11"
"capacity"=>"480","denomination"=>"reformed","isced"=>"1","max_age"=>"12","min_age"=>"4","religion"=>"christian","source:date"=>"2014-08-15"
"denomination"=>"reformed","religion"=>"christian","source:date"=>"2014-03-24"