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:
| Outcome | Year | Championship | Surface | Opponent | Score |
| --- | --- | --- | --- | --- | --- |
| Runner-up | 2007.0 | US Open (1) | Hard | Roger Federer | 6–7 (4–7) , 6–7 (2–7) , 4–6 |
| Winner | 2008.0 | Australian Open (1) | Hard | Jo-Wilfried Tsonga | 4–6, 6–4, 6–3, 7–6 (7–2) |
| Runner-up | 2010.0 | US Open (2) | Hard | Rafael Nadal | 4–6, 7–5, 4–6, 2–6 |
| Winner | 2011.0 | Australian Open (2) | Hard | Andy Murray | 6–4, 6–2, 6–3 |
| Winner | 2011.0 | Wimbledon (1) | Grass | Rafael Nadal | 6–4, 6–1, 1–6, 6–3 |
| Winner | 2011.0 | US Open (1) | Hard | Rafael Nadal | 6–2, 6–4, 6–7 (3–7) , 6–1 |
| Winner | 2012.0 | Australian Open (3) | Hard | Rafael Nadal | 5–7, 6–4, 6–2, 6–7 (5–7) , 7–5 |
| Runner-up | 2012.0 | French Open (1) | Clay | Rafael Nadal | 4–6, 3–6, 6–2, 5–7 |
| Runner-up | 2012.0 | US Open (3) | Hard | Andy Murray | 6–7 (10–12) , 5–7, 6–2, 6–3, 2–6 |
| Winner | 2013.0 | Australian Open (4) | Hard | Andy Murray | 6–7 (2–7) , 7–6 (7–3) , 6–3, 6–2 |
| Runner-up | 2013.0 | Wimbledon | Grass | Andy Murray | 4–6, 5–7, 4–6 |
| Runner-up | 2013.0 | US Open | Hard | Rafael Nadal | 2–6, 6–3, 4–6, 1–6 |
Question:
What surface was the Australian Open (1) played on?
Answer:
Hard