simple php question from a newbie

Hi I am using Daiko’s widget and I want to display only one page currently I am doing this by excluing all others is there an easier way to do this?

<?php wp_list_pages(‘orderby=name exclude=2,28,35,53,315,317,319,310,70,417,109,112,114,355,369,366,362,353,384,426,443,371,75,210&title_li=’); ?>

I would like to display only page 517 but in the list form, which keeps my theme formatting. Doing it other ways changes the flow and look of the sidebar.

Thanks

Dan