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 |
| --- | --- | --- | --- | --- |
| Gino D'Acampo | Celebrity chef | Day 1 | Day 21 | 1st |
| Kim Woodburn | TV personality/expert | Day 1 | Day 21 | 2nd |
| Jimmy White | Snooker player | Day 1 | Day 21 | 3rd |
| Justin Ryan | Interior designer and TV presenter | Day 1 | Day 20 | 4th |
| Stuart Manning | Actor (played Russ Owen in Hollyoaks ) | Day 1 | Day 19 | 5th |
| Sabrina Washington | Singer, former member of Mis-Teeq | Day 1 | Day 18 | 6th |
| George Hamilton | American actor and personality | Day 1 | Day 17 | 7th |
| Joe Bugner | Former world-rated heavyweight boxer | Day 4 | Day 16 | 8th |
| Samantha Fox | Former model and singer | Day 1 | Day 14 | 9th |
| Colin McAllister | Interior designer and TV presenter | Day 1 | Day 11 | 10th |
| Lucy Benjamin | Actress (played Lisa Fowler in EastEnders ) | Day 1 | Day 10 | 11th |
| Katie Price (second appearance) | Model and TV personality | Day 2 | Day 9 | 12th |
| Camilla Dallerup | Former Strictly Come Dancing professional dancer | Day 1 | Day 4 | 13th |
Question:
Who entered on day 1 and exited on day 20?
Answer:
Justin Ryan