greater { hop { filter_eq { all_rows ; year ; 1967 } ; laps } ; hop { filter_eq { all_rows ; year ; 1971 } ; laps } } = true
select the rows whose year record fuzzily matches to 1967 . take the laps record of this row . select the rows whose year record fuzzily matches to 1971 . take the laps record of this row . the first record is greater than the second record .