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:
| Position | Team | Points | Played | Against | Difference |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Flamengo | 13.0 | 8.0 | 12.0 | 8 |
| 2.0 | Fluminense | 13.0 | 8.0 | 15.0 | 10 |
| 3.0 | Corinthians | 9.0 | 8.0 | 15.0 | 4 |
| 4.0 | Palestra Itália | 8.0 | 8.0 | 19.0 | 3 |
| 5.0 | Portuguesa | 7.0 | 8.0 | 23.0 | - 10 |
| 6.0 | Botafogo | 6.0 | 8.0 | 25.0 | 0 |
| 7.0 | Vasco da Gama | 6.0 | 8.0 | 19.0 | - 2 |
| 8.0 | América | 6.0 | 8.0 | 25.0 | - 10 |
| 9.0 | São Paulo | 4.0 | 8.0 | 24.0 | - 13 |
Question:
When the corinthians have a position of less than 5, what is the average against?
Answer:
15.0