SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function pow (alias four) (children 1)
     ExpressionList (children 2)
      Literal UInt64_2
      Literal UInt64_2
   ExpressionList (children 3)
    Function pow (children 1)
     ExpressionList (children 2)
      Identifier four
      Literal UInt64_2
    Literal UInt64_2 (alias two)
    Function pow (children 1)
     ExpressionList (children 2)
      Identifier two
      Literal UInt64_2
