Well, unfortunately, you cannot select a field on a specific page in the query options, all available options are described here:
http://getkirby.com/docs/cheatsheet/panel-fields/select
And in the changelog:
http://getkirby.com/changelog/kirby-2-1-0#core
As you can see, you can use an URL to fetch a json encoded file, but I guess, that might be too complicated.
Another option would be to create a custom field that fetches the values e.g. from a field in the site variables. Address pages in custom fields