SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function CAST (alias value) (children 1)
     ExpressionList (children 2)
      Function tuple (children 1)
       ExpressionList (children 2)
        Literal \'1\'
        Literal \'2\'
      Literal \'Tuple(value_1 String, value_2 String)\'
    Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        QualifiedAsterisk (children 2)
         Identifier value
         ColumnsTransformerList (children 1)
          ColumnsApplyTransformer
