less { hop { filter_eq { all_rows ; championship ; wimbledon } ; year } ; hop { filter_eq { all_rows ; championship ; australian championships } ; year } } = true
select the rows whose championship record fuzzily matches to wimbledon . take the year record of this row . select the rows whose championship record fuzzily matches to australian championships . take the year record of this row . the first record is less than the second record .