What is the detailed product of the complaint filed by Diesel Galloway on 2014/7/3?
detailed product refers to "sub-product"; on 2014/7/3 refers to "Date received" = '2014-07-03';
SELECT T2.`Sub-product` FROM client AS T1 INNER JOIN events AS T2 ON T1.client_id = T2.Client_ID WHERE T1.first = 'Diesel' AND T1.last = 'Galloway' AND T2.`Date received` = '2014-07-03'