SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   Function greaterOrEquals (children 1)
    ExpressionList (children 2)
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Function identity (children 1)
        ExpressionList (children 1)
         Identifier stamp
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal UInt64_0
