"backrest"=>"yes","material"=>"wood","seats"=>"3","survey:date"=>"2021-02-25"
"seats"=>"4","colour"=>"brown","backrest"=>"yes","material"=>"wood"
"seats"=>"4","colour"=>"gray","backrest"=>"no","material"=>"wood","start_date"=>"2020-06-27"
"backrest"=>"yes","material"=>"wood","seats"=>"3","survey:date"=>"2021-02-25"
"backrest"=>"yes","material"=>"wood","seats"=>"4","survey:date"=>"2021-02-25"
"backrest"=>"yes","material"=>"wood","seats"=>"4","survey:date"=>"2021-02-25"