Task: Code to Text
Input (English): and { only { filter_greater { all_rows ; points ; 20 } } ; eq { hop { filter_greater { all_rows ; points ; 20 } ; grid } ; 1 } } = true
Output (English): select the rows whose points record is greater than 20 . there is only one such row in the table . the grid record of this unqiue row is 1 .