less { hop { filter_eq { all_rows ; year ; 1959 } ; rank } ; hop { filter_eq { all_rows ; year ; 1958 } ; rank } } = true
select the rows whose year record fuzzily matches to 1959 . take the rank record of this row . select the rows whose year record fuzzily matches to 1958 . take the rank record of this row . the first record is less than the second record .