less { hop { filter_eq { all_rows ; round winner ; larry perkins } ; date } ; hop { filter_eq { all_rows ; round winner ; mark skaife } ; date } } = true
select the rows whose round winner record fuzzily matches to larry perkins . take the date record of this row . select the rows whose round winner record fuzzily matches to mark skaife . take the date record of this row . the first record is less than the second record .