Microsoft OLE DB Provider for ODBC Drivers error '80040e14'

[Microsoft][ODBC Microsoft Access Driver] Syntax error (missing operator) in query expression 'id='.

/newsscript/canc.asp, line 8

codice:
<html>


<%
Set Connect = Server.CreateObject("ADODB.Connection")
Connect.Open "driver={Microsoft Access Driver (*.mdb)};dbq=" & server.MapPath("/mdb-database/db.mdb")

cod=Request.Querystring("cod")
strSQL = "DELETE FROM news WHERE id="&cod
Connect.Execute(strSQL)
%>
<hr color ="red" size="1">
<font face="verdana" size="2">


   

Cancellato con successo</font>
<hr color ="red" size="1">
</html>
Non capisco il perchè??