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:
| Order | Couple | Karen | Nicky | Jason | Ruthie | Robin | Total | Scoreboard | Song | Public Vote % | Result |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Gareth & Maria | 4.5 | 4.0 | 3.5 | 3.5 | 4.0 | 19,5 | 3rd | " Wake Me Up When September Ends "– Green Day | 6.81% | Safe |
| 2.0 | Linda & Daniel | 3.5 | 3.0 | 3.0 | 4.0 | 3.0 | 16.5 | 5th | " Candyman "– Christina Aguilera | 9.09% | Safe |
| 3.0 | Samantha & Pavel | 3.5 | 3.0 | 3.0 | 3.5 | 3.0 | 16.0 | 7th | " You Can't Hurry Love "– The Supremes | 3.30% | Eliminated |
| 4.0 | Chris & Frankie | 5.0 | 5.0 | 4.0 | 4.5 | 5.0 | 23.5 | 1st | " Rule the World "– Take That | 19.20% | Safe |
| 5.0 | Aggie & Sergey | 2.5 | 2.0 | 2.0 | 3.5 | 2.5 | 12.5 | 10th | " Total Eclipse of the Heart "– Bonnie Tyler | 5.00% | Safe |
| 6.0 | Steve & Susie | 3.0 | 3.5 | 2.0 | 3.0 | 3.0 | 14.5 | 9th | " Mony Mony "– Billy Idol | 4.68% | Bottom two |
| 7.0 | Greg & Kristina | 3.5 | 3.5 | 2.5 | 3.0 | 3.0 | 15.5 | 8th | " Licence to Kill "– Gladys Knight | 12.90% | Safe |
| 8.0 | Zaraah & Fred | 4.0 | 4.5 | 3.0 | 3.5 | 3.5 | 18.5 | 4th | " Take a Chance on Me "– ABBA | 7.88% | Safe |
Question:
Name the jason for public vote being 19.20%
Answer:
4.0