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:
| Date | Home | Score | Away | Attendance |
| --- | --- | --- | --- | --- |
| 1 November 2008 | Real Espana | 2:2 | Olimpia | 6521.0 |
| 1 November 2008 | Vida | 0:1 | Victoria | 1643.0 |
| 1 November 2008 | Hispano | 1:2 | Platense | 1189.0 |
| 1 November 2008 | Motagua | 2:0 | Marathon | 4836.0 |
| 1 November 2008 | Deportes Savio | 2:1 | Real Juventud | 1825.0 |
Question:
What was the average attendance when marathon was the away team?
Answer:
4836.0