Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Celebrity | Famous for | Entered | Exited | Finished |
| --- | --- | --- | --- | --- |
| Tony Blackburn | DJ | Day 1 | Day 15 | 1st |
| Tara Palmer-Tomkinson | Television presenter, IT Girl and Celebutante | Day 1 | Day 15 | 2nd |
| Christine Hamilton | Author | Day 1 | Day 14 | 3rd |
| Nell McAndrew | Model | Day 1 | Day 13 | 4th |
| Rhona Cameron | Comedienne | Day 1 | Day 12 | 5th |
| Darren Day | Singer, TV presenter and actor | Day 1 | Day 11 | 6th |
| Nigel Benn | Champion boxer | Day 1 | Day 10 | 7th |
Question:
When did the 4th finisher enter?
Answer:
Day 1