greater { hop { filter_eq { all_rows ; nation ; australia ( aus ) } ; silver } ; hop { filter_eq { all_rows ; nation ; japan ( jpn ) } ; silver } } = true
select the rows whose nation record fuzzily matches to australia  aus  . take the silver record of this row . select the rows whose nation record fuzzily matches to japan  jpn  . take the silver record of this row . the first record is greater than the second record .