Task: Code to Text
Input (English): and { only { filter_eq { all_rows ; points ; 2 } } ; eq { hop { filter_eq { all_rows ; points ; 2 } ; pos } ; 7 } } = true
Output (English): select the rows whose points record is equal to 2 . there is only one such row in the table . the pos record of this unqiue row is 7 .