"guest_house"=>"bed_and_breakfast","source:date"=>"2014-02-11"
"source:date"=>"2014-02-11","payment:bitcoin"=>"yes"
"source:date"=>"2014-02-11","payment:bitcoin"=>"yes"
"guest_house"=>"bed_and_breakfast","source:date"=>"2014-03-24"
"guest_house"=>"bed_and_breakfast","source:date"=>"2014-03-24"
"addr:country"=>"NL","source:date"=>"2014-03-24"