Task: Code to Text
Input (English): and { only { filter_eq { all_rows ; class ; c1 } } ; eq { hop { filter_eq { all_rows ; class ; c1 } ; year } ; 1992 } } = true
Output (English): select the rows whose class record fuzzily matches to c1 . there is only one such row in the table . the year record of this unqiue row is 1992 .