greater { hop { filter_eq { all_rows ; year ; 2011 } ; purse } ; hop { filter_eq { all_rows ; year ; 2005 } ; purse } } = true
select the rows whose year record fuzzily matches to 2011 . take the purse record of this row . select the rows whose year record fuzzily matches to 2005 . take the purse record of this row . the first record is greater than the second record .