user: Question: What is the venue of the NAPA Auto Parts 200 race with a MRN radio?
Columns: ['Date', 'Race', 'Distance', 'Venue', 'Radio']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['02/16/2008', 'Camping World 300', '300 Miles', 'Daytona International Speedway', 'MRN']
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Radio" = 'MRN' AND "Race" = 'NAPA Auto Parts 200';