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:
| Pilot | Original Airdate | Musical Guest/Song performed | YouTube Hero | MySpace Band |
| --- | --- | --- | --- | --- |
| — | January 2008 | Alphabeat | — | — |
| 1 | 12 February 2008 | Reverend and the Makers (" The State of Things ") | Tay Zonday | The Metros |
| 2 | 19 February 2008 | Adele (" Chasing Pavements ") | The Syncsta Boys | Kids In Glass Houses |
| 3 | 26 February 2008 | Mark Ronson (" Just ") | Britney Houston | Yelle |
| 4 | 4 March 2008 | The Charlatans (" Oh! Vanity ") | Greg Pattillo | The Whip |
| 5 | 11 March 2008 | Róisín Murphy (" You Know Me Better ") | John and Michelle Brubaker | Look See Proof |
| 6 | 18 March 2008 | Guillemots (" Get Over It ") | Breakdancing Baby | Malakai |
| 7 | 25 March 2008 | The Futureheads (" The Beginning of the Twist ") | BeardyMan | Underground Heroes |
| 8 | 1 April 2008 | One Night Only (" It's About Time ") | Samwell | Metronomy |
Question:
What is the Pilot number for the YouTube Hero greg pattillo?
Answer:
4.0