user: Question: What date was the NASCAR Nationwide Series held?
Columns: ['Record', 'Date', 'Driver', 'Time', 'Speed/Avg. Speed']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['NASCAR Sprint Cup Series', 'NASCAR Sprint Cup Series', 'NASCAR Sprint Cup Series', 'NASCAR Sprint Cup Series', 'NASCAR Sprint Cup Series']
SQL:

assistant: SELECT "Record" FROM "Table" WHERE "Date" = 'NASCAR Nationwide Series';