Help with report - answers last accessed by users in specific profile

Summary: Help with report - answers last accessed by users in specific profile

Content (required): Hello. I am trying to write a report that shows the last time an answer was accessed/viewed internally by agents in a specific profile. At our call center we do not use the Customer Portal, so hits from the end user pages do not apply. Instead, we use an internal knowledge base search report. Each time an agent views an answer from this report, its tracked in a custom "viewed" field. There were two columns that I used to try to show when it was last accessed. One was "