SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function toYear (alias y) (children 1)
     ExpressionList (children 1)
      Identifier d
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function today (alias d) (children 1)
            ExpressionList
          Literal UInt64_0
   ExpressionList (children 1)
    Identifier y
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier y
