eq { diff { hop { filter_eq { all_rows ; score ; 81 - 104 } ; date } ; hop { filter_eq { all_rows ; score ; 77 - 96 } ; date } } ; -3 days } = true
select the rows whose score record fuzzily matches to 81  104 . take the date record of this row . select the rows whose score record fuzzily matches to 77  96 . take the date record of this row . the second record is 3 days larger than the first record .