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 | Pos. | Player | From club | Transfer fee |
| --- | --- | --- | --- | --- |
| 13 July 2007 | FW | Rolando Bianchi | Reggina | £8.8m |
| 14 July 2007 | MF | Gelson Fernandes | FC Sion | Undisc. |
| 17 July 2007 | MF | Geovanni | Cruzeiro | Free |
| 26 July 2007 | MF | Martin Petrov | Atlético Madrid | £4.7m |
| 2 Aug. 2007 | DF | Vedran Ćorluka | Dinamo Zagreb | Undisc. |
| 2 Aug. 2007 | MF | Elano | Shakhtar Donetsk | £8m |
| 2 Aug. 2007 | DF | Javier Garrido | Real Sociedad | £1.5m |
| 3 Aug. 2007 | FW | Valeri Bojinov | Fiorentina | £5.75m |
| 31 Jan. 2008 | FW | Felipe Caicedo | FC Basel | £5.2m |
| 31 Jan. 2008 | FW | Benjani Mwaruwari | Portsmouth | £3.87m |
Question:
Which Player had a From club of atlético madrid?
Answer:
Martin Petrov