Task: Code to Text
Input (English): and { only { filter_eq { all_rows ; serial number ; unknown } } ; eq { hop { filter_eq { all_rows ; serial number ; unknown } ; build date } ; october 1856 } } = true
Output (English): select the rows whose serial number record fuzzily matches to unknown . there is only one such row in the table . the build date record of this unqiue row is october 1856 .