less { hop { filter_eq { all_rows ; champions ; jimmy connors } ; year } ; hop { filter_eq { all_rows ; champions ; john mcenroe } ; year } } = true
select the rows whose champions record fuzzily matches to jimmy connors . take the year record of this row . select the rows whose champions record fuzzily matches to john mcenroe . take the year record of this row . the first record is less than the second record .