greater { hop { filter_eq { all_rows ; nation ; great britain ( gbr ) } ; silver } ; hop { filter_eq { all_rows ; nation ; hungary ( hun ) } ; silver } } = true
select the rows whose nation record fuzzily matches to great britain  gbr  . take the silver record of this row . select the rows whose nation record fuzzily matches to hungary  hun  . take the silver record of this row . the first record is greater than the second record .