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:
| Episode # | Title | Directed by | Written by | Originalairdate | Viewers (millions) |
| --- | --- | --- | --- | --- | --- |
| 1.0 | "Second Life" | Brendan Maher | Ed Whitmore | 5 July 2010 | 6.37 |
| 2.0 | "Chelsea Girl" | Brendan Maher | Ed Whitmore | 12 July 2010 | 4.56 |
| 3.0 | "Pariah" | Brendan Maher | Ed Whitmore | 19 July 2010 | 4.77 |
| 4.0 | "Reparation" | Andy Hay | Edward Bennett | 26 July 2010 | 4.18 |
| 5.0 | "Somewhere They Can't Find Me" | Andy Hay | Edward Bennett | 2 August 2010 | 4.03 |
Question:
How many million viewers watched episodes prior to episode 2.0?
Answer:
6.37