less { hop { filter_eq { all_rows ; driver ; graham hill } ; time / retired } ; hop { filter_eq { all_rows ; driver ; jim clark } ; time / retired } } = true
select the rows whose driver record fuzzily matches to graham hill . take the time  retired record of this row . select the rows whose driver record fuzzily matches to jim clark . take the time  retired record of this row . the first record is less than the second record .