SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function format (children 1)
     ExpressionList (children 3)
      Literal \'The {0} to all questions is {1}\'
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal \'Non-const\'
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal \' strings\'
