eq { diff { hop { filter_eq { all_rows ; nation ; new zealand } ; bronze } ; hop { filter_eq { all_rows ; nation ; jamaica } ; bronze } } ; 2 } = true
select the rows whose nation record fuzzily matches to new zealand . take the bronze record of this row . select the rows whose nation record fuzzily matches to jamaica . take the bronze record of this row . the first record is 2 larger than the second record .