user: Question: What position did the celebrity finish that entered on Day 1 and exited on Day 15?
Columns: ['Celebrity', 'Famous for', 'Entered', 'Exited', 'Finished']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Stacey Solomon', 'X Factor 3rd place finalist', 'Day 1', 'Day 21', '1st']
SQL:

assistant: SELECT "Finished" FROM "Table" WHERE "Entered" = 'Day 1' AND "Exited" = 'Day 15';