greater { hop { filter_eq { all_rows ; date ; november 27 , 1989 ( mon ) } ; result } ; hop { filter_eq { all_rows ; date ; november 19 , 1989 } ; result } } = true
select the rows whose date record fuzzily matches to november 27 , 1989  mon  . take the result record of this row . select the rows whose date record fuzzily matches to november 19 , 1989 . take the result record of this row . the first record is greater than the second record .