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:
| Exit Date | Pos. | Player | To club | Transfer fee |
| --- | --- | --- | --- | --- |
| 1 July 2008 | DF | Garry Breen | Hereford United | Free |
| 1 July 2008 | DF | Michael Daly | Released | Released |
| 1 July 2008 | GK | Andrea Giombetti | Released | Released |
| 1 July 2008 | MF | Ashley Grimes | Millwall | Free |
| 1 July 2008 | FW | Christian Mouritsen | Released | Released |
| 30 July 2008 | DF | Matthew Mills | Doncaster Rovers | £300,000 |
| 16 Oct. 2008 | FW | Teerasil Dangda | Released | Released |
| 16 Oct. 2008 | DF | Kiatprawut Saiwaeo | Released | Released |
| 16 Oct. 2008 | DF | Suree Sukha | Released | Released |
| 02 Jan. 2009 | DF | Sam Williamson | Wrexham | Free |
Question:
What was the date that a player went to the club Doncaster Rovers?
Answer:
30 July 2008