Task: Code to Text
Input (English): and { only { filter_eq { all_rows ; frequency ; 830 khz } } ; eq { hop { filter_eq { all_rows ; frequency ; 830 khz } ; calls } ; wcrn } } = true
Output (English): select the rows whose frequency record fuzzily matches to 830 khz . there is only one such row in the table . the calls record of this unqiue row is wcrn .