user: Question: On which day did the person who is known for The Only Way Is Essex star enter?
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 "Entered" FROM "Table" WHERE "Known for" = 'The Only Way Is Essex star';