user: Question: Who was the driver for crew chief Nick Carlson?
Columns: ['Team', 'Truck(s)', 'Driver(s)', 'Primary Sponsor(s)', 'Owner(s)', 'Crew Chief', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['Adrian Carriers Racing', 'Chevrolet Silverado', 'Steve Wallace', 'Liz Girl Logistics', 'Gary Adam', 'Nick Carlson', 4.0]
SQL:

assistant: SELECT "Driver(s)" FROM "Table" WHERE "Crew Chief" = 'Nick Carlson';