Task: Code to Text
Input (English): and { only { filter_eq { all_rows ; events ; 0 } } ; eq { hop { filter_eq { all_rows ; events ; 0 } ; tournament } ; us open } } = true
Output (English): select the rows whose events record is equal to 0 . there is only one such row in the table . the tournament record of this unqiue row is us open .