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 | From |
| --- | --- | --- | --- | --- |
| 3 August 2012 | 31 January 2013 | FW | Benik Afobe | Arsenal |
| 31 August 2012 | 30 June 2013 | MF | Jay Spearing | Liverpool |
| 21 September 2012 | 22 December 2012 | DF | Stephen Warnock | Aston Villa |
| 8 November 2012 | 5 January 2013 | MF | Jacob Butterfield | Norwich City |
| 25 January 2013 | 27 April 2013 | DF | Craig Dawson | West Brom |
| 25 January 2013 | January 2014 | MF | Ján Greguš | Baník Ostrava |
| 31 January 2013 | 3 March 2013 | MF | Steve De Ridder | Southampton |
| 28 March 2013 | 30 June 2013 | FW | Robert Hall | West Ham |
| 28 March 2013 | 4 May 2013 | DF | Danny Butterfield | Southampton |
Question:
who was the previous loan before jacob butterfield?
Answer:
Stephen Warnock