Kanban board- Proper query for all issues marked as done for less than a week

[Michaiah_Gartner]

I am trying to edit my Kanban board to where all issues marked as "Done" will stay visible in the Kanban board for one week, but I am struggling in finding the proper query for this. This is what I hate so far: 

project = III AND resolution in (Unresolved) OR project = III AND resolution != EMPTY OR Project = III AND resolution != null AND  resolutiondate < 7d ORDER BY Rank ASC 

Any input is greatly appreciated.

[shetty]

You need to include project = III AND resolution=done if you looking by resolution

then it will show you the issues that are having resolution as done

[Michaiah_Gartner]

Thank you, where exactly should I put this in the query?

[shetty]

project = III AND resolution in (Unresolved,Done) AND resolution not in (EMPTY,null) AND  resolutiondate < 7d ORDER BY Rank ASC 

I have included that query and simplified it as well