greater { hop { filter_eq { all_rows ; call sign ; cimo - fm } ; frequency } ; hop { filter_eq { all_rows ; call sign ; cfak - fm } ; frequency } } = true
select the rows whose call sign record fuzzily matches to cimo  fm . take the frequency record of this row . select the rows whose call sign record fuzzily matches to cfak  fm . take the frequency record of this row . the first record is greater than the second record .