Hi @arb4host
Thanks for the topic, but please remember that this is a community forum, not a support ticket. If you wish to receive 1 on 1 support, please open a ticket.
Querying and sorting sub fields is quite difficult, but possible. Please read over these articles to get a better idea on how this is possible:
http://www.advancedcustomfields.com/resources/querying-the-database-for-repeater-sub-field-values/
http://www.advancedcustomfields.com/resources/query-posts-custom-fields/
Thanks
E
