SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function CAST (children 1)
     ExpressionList (children 2)
      Function tupleElement (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 3)
          Literal UInt64_3
          Literal UInt64_4
          Literal UInt64_5
        Literal UInt64_1
      Literal \'Int32\'
