user: ### NOW ANSWER:
Question: When did the 4th finisher enter?
Columns: ['Celebrity', 'Famous for', 'Entered', 'Exited', 'Finished']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Tony Blackburn', 'DJ', 'Day 1', 'Day 15', '1st']
SQL:

assistant: SELECT "Entered" FROM "Table" WHERE "Finished" = '4th';