I haven't been to any of the restaurants when I was in DC, but I can recommend a food truck. Westray's Finest Ice Cream. The website should have the location when he moves. Not "fine dining", but still...
"For all sad words of tongue and pen, The saddest are these, 'It might have been'." John Greenleaf Whittier
"Our minds control our bodies. Our bodies control our enemies. Our enemies control jack shit by the time we're done with them." Stick