"email"=>"[email protected]","source:date"=>"2018-02-08"
"covered"=>"yes","operator"=>"ZwemZeker","source:date"=>"2014-03-24"
"location"=>"outdoor","source:date"=>"2014-03-24","swimming_pool"=>"outdoor"
"operator"=>"Sportvereniging DOS Bennekom","source:date"=>"2014-03-24"