user: Question: Who entered on Day 1 and exited on Day 20?
Columns: ['Celebrity', 'Famous for', 'Entered', 'Exited', 'Finished']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ["Gino D'Acampo", 'Celebrity chef', 'Day 1', 'Day 21', '1st']
SQL:

assistant: SELECT "Celebrity" FROM "Table" WHERE "Entered" = 'Day 1' AND "Exited" = 'Day 20';