DescribeQuery (children 1)
 TableExpression (children 1)
  Subquery (children 1)
   SelectWithUnionQuery (children 1)
    ExpressionList (children 1)
     SelectQuery (children 1)
      ExpressionList (children 8)
       Literal UInt64_1 (alias a)
       Identifier a (alias b)
       Identifier b
       Identifier b (alias c)
       Identifier c
       Literal \'Value\' (alias d)
       Identifier d (alias e)
       Identifier e (alias f)