If your cruise is not in the very near future you try to ask John Heald at his blog (John Heald's Blog
) or at his FB page.
He is about a month behind on emails at his blog. There is a place on there to specificly make MDR requests which might speed it up.
His FB page may be the better way to go...or post at both.
Just keep in mind that he only passes on the request to the MD. There is no guarantee you will get the table.
When you first board the ship make a point to go to the MDR and see the MD with your request. Its possible they can do it then.