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 | Tournament | Surface | Opponent in the final | Score |
| --- | --- | --- | --- | --- |
| 23 October 2006 | Rodez , France | Hard | Andrey Golubev | 4–6, 6–1, 6–0 |
| 17 September 2007 | Plaisir , France | Hard | Thomas Oger | 7–6 (7–3) , 7–5 |
| 15 October 2007 | La Roche-sur-Yon , France | Hard | Lukáš Rosol | 6–3, 3–6, 6–4 |
| 15 January 2008 | Sunderland , United Kingdom | Hard | Richard Bloomfield | 6–4, 6–3 |
| 10 March 2008 | Lille , France | Hard | Clément Reix | 2–6, 7–6 (7–3) , 7–5 |
| 6 October 2008 | Rennes , France | Carpet | Josselin Ouanna | 6–2, 6–3 |
| 5 April 2009 | Saint-Brieuc , France | Clay | Josselin Ouanna | 7–5, 1–6, 6–4 |
| 9 August 2009 | Segovia , Spain | Hard | Feliciano López | 6–3, 6–4 |
| 25 July 2010 | Recanati , Italy | Hard | Stéphane Bohli | 6–0, 3–6, 7–6 (7–5) |
| 8 August 2010 | Segovia , Spain | Hard | Daniel Gimeno-Traver | 6–4, 7–6 (7–2) |
| 16 September 2012 | Istanbul , Turkey | Hard | Dmitry Tursunov | 6–4, 7–6 (7–5) |
| 21 April 2013 | Mexico City , Mexico | Hard | Andrej Martin | 4–6, 6–4, 6–1 |
Question:
What is Surface, when Tournament is "Sunderland , United Kingdom"?
Answer:
Hard