less { hop { filter_eq { all_rows ; sport ; m cross country } ; date } ; hop { filter_eq { all_rows ; sport ; w gymnastics } ; date } } = true
select the rows whose sport record fuzzily matches to m cross country . take the date record of this row . select the rows whose sport record fuzzily matches to w gymnastics . take the date record of this row . the first record is less than the second record .