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:
| Title | Year | Developer | Publisher | Platform |
| --- | --- | --- | --- | --- |
| Aion: The Tower of Eternity | 2008.0 | NCsoft | NCsoft | Microsoft Windows |
| Far Cry | 2004.0 | Crytek | Ubisoft | Microsoft Windows |
| Far Cry Instincts | 2005.0 | Ubisoft Montreal | Ubisoft | Xbox |
| Far Cry Instincts: Evolution | 2006.0 | Ubisoft Montreal | Ubisoft | Xbox |
| Far Cry Instincts: Predator | 2006.0 | Ubisoft Montreal | Ubisoft | Xbox 360 |
| Far Cry Vengeance | 2006.0 | Ubisoft Montreal | Ubisoft | Wii |
Question:
What is the average year that has far cry vengeance as the title?
Answer:
2006.0