greater { hop { filter_eq { all_rows ; rr romaja ; gangwon } ; area } ; hop { filter_eq { all_rows ; rr romaja ; jeju } ; area } } = true
select the rows whose rr romaja record fuzzily matches to gangwon . take the area record of this row . select the rows whose rr romaja record fuzzily matches to jeju . take the area record of this row . the first record is greater than the second record .