Was the tag in the complaint filed by Matthew Pierce on 2016/10/28 approved by himself?
on 2016/10/28 refers to Date received = '2016-10-28'; "Consumer consent provided?" in (null, 'N/A', 'Empty') means that the company didn't get the permission of consent; "Consumer consent provided?" not in (null, 'N/A', 'Empty') means that customers provide the consent for this tag;
SELECT CASE WHEN T2.`Consumer consent provided?` IN (NULL, 'N/A', 'Empty') THEN 'No' ELSE 'Yes' END FROM client AS T1 INNER JOIN events AS T2 ON T1.client_id = T2.Client_ID WHERE T1.first = 'Matthew' AND T1.last = 'Pierce' AND T2.`Date received` = '2016-10-28'