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 From | Date To | Pos. | Name | Moving To |
| --- | --- | --- | --- | --- |
| 1 July 2008 | 30 June 2009 | GK | Tom Heaton | Cardiff City |
| 22 July 2008 | 17 January 2009 | FW | Febian Brandy | Swansea City |
| 4 August 2008 | 30 June 2009 | DF | Danny Simpson | Blackburn Rovers |
| 8 August 2008 | 30 June 2009 | DF | Craig Cathcart | Plymouth Argyle |
| 13 August 2008 | 31 December 2008 | MF | Lee Martin | Nottingham Forest |
| 1 September 2008 | 30 June 2009 | FW | Fraizer Campbell | Tottenham Hotspur |
| 27 November 2008 | 25 February 2009 | GK | Ron-Robert Zieler | Northampton Town |
| 1 January 2009 | 30 June 2009 | DF | David Gray | Plymouth Argyle |
| 5 January 2009 | 5 April 2009 | MF | Sam Hewson | Hereford United |
| 16 January 2009 | 30 June 2009 | FW | Manucho | Hull City |
| 16 January 2009 | 30 June 2009 | MF | Tom Cleverley | Leicester City |
| 2 February 2009 | 2 March 2009 | DF | James Chester | Peterborough United |
| 2 February 2009 | 30 June 2009 | FW | Febian Brandy | Hereford United |
Question:
When was ron-robert zieler loaned out until ?
Answer:
25 February 2009