Task: Code to Text
Input (English): and { only { filter_eq { all_rows ; fcc info ; fcc } } ; eq { hop { filter_eq { all_rows ; fcc info ; fcc } ; call sign } ; k297au } } = true
Output (English): select the rows whose fcc info record fuzzily matches to fcc . there is only one such row in the table . the call sign record of this unqiue row is k297au .