user: Question: Who exited on Day 12?
Columns: ['Celebrity', 'Known for', 'Entered', 'Exited', 'Finished']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Dougie Poynter', 'McFly bassist', 'Day 1', 'Day 21', '1st']
SQL:

assistant: SELECT "Celebrity" FROM "Table" WHERE "Exited" = 'Day 12';