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:
| Year | Title | Producer | Actor | Role |
| --- | --- | --- | --- | --- |
| 1987.0 | The Chipmunk Adventure | Yes | Yes | Alvin Seville Simon Seville David 'Dave' Seville |
| 1999.0 | Alvin and the Chipmunks Meet Frankenstein | Yes | Yes | Alvin Seville Simon Seville David 'Dave' Seville |
| 2000.0 | Alvin and the Chipmunks Meet the Wolfman | Yes | Yes | Alvin Seville Simon Seville David 'Dave' Seville |
| 2005.0 | Little Alvin and the Mini-Munks | Yes | Yes | Alvin Seville Simon Seville David 'Dave' Seville |
| 2007.0 | Alvin and the Chipmunks | Yes | Yes | Alvin Seville Simon Seville |
| 2009.0 | Alvin and the Chipmunks: The Squeakquel | Yes | Yes | Alvin Seville Simon Seville |
| 2011.0 | Alvin and the Chipmunks: Chipwrecked | Yes | Yes | Alvin Seville Simon Seville |
Question:
What's the average year for the Role of alvin seville simon seville david 'dave' seville, and a Title of the chipmunk adventure?
Answer:
1987.0