greater { hop { filter_eq { all_rows ; station ; tsu } ; distance ( km ) } ; hop { filter_eq { all_rows ; station ; kawage } ; distance ( km ) } } = true
select the rows whose station record fuzzily matches to tsu . take the distance  km  record of this row . select the rows whose station record fuzzily matches to kawage . take the distance  km  record of this row . the first record is greater than the second record .