"source:date"=>"2014-03-24","addr:country"=>"NL"
"source:date"=>"2014-03-24","outdoor_seating"=>"yes"
"operator"=>"Warsteiner","source:date"=>"2014-03-24"
"cuisine"=>"cafeteria","smoking"=>"no","internet_access"=>"wlan"
"addr:country"=>"NL","source:date"=>"2017-02-13","start_date"=>"1900"