greater { hop { filter_eq { all_rows ; date ; 29 november 2007 } ; attendance } ; hop { filter_eq { all_rows ; date ; 30 november 2007 } ; attendance } } = true
select the rows whose date record fuzzily matches to 29 november 2007 . take the attendance record of this row . select the rows whose date record fuzzily matches to 30 november 2007 . take the attendance record of this row . the first record is greater than the second record .