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:
| Stage | Winner | General classification | Points classification | Mountains classification | Combination Classification | Team classification |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | Team HTC-Columbia | Mark Cavendish | Mark Cavendish 1 | not awarded | Mark Cavendish | Team HTC-Columbia |
| 2.0 | Yauheni Hutarovich | Mark Cavendish | Yauheni Hutarovich | Mickaël Delage | Javier Ramírez | Team HTC-Columbia |
| 3.0 | Philippe Gilbert | Philippe Gilbert | Philippe Gilbert | Serafín Martínez | Serafín Martínez | Team HTC-Columbia |
| 4.0 | Igor Antón | Philippe Gilbert | Igor Antón | Serafín Martínez | Vincenzo Nibali | Caisse d'Epargne |
| 5.0 | Tyler Farrar | Philippe Gilbert | Igor Antón | Serafín Martínez | Vincenzo Nibali | Caisse d'Epargne |
| 6.0 | Thor Hushovd | Philippe Gilbert | Philippe Gilbert | Serafín Martínez | Philippe Gilbert | Caisse d'Epargne |
| 7.0 | Alessandro Petacchi | Philippe Gilbert | Mark Cavendish | Serafín Martínez | Philippe Gilbert | Caisse d'Epargne |
| 8.0 | David Moncoutié | Igor Antón | Mark Cavendish | Serafín Martínez | Vincenzo Nibali | Caisse d'Epargne |
| 9.0 | David López | Igor Antón | Mark Cavendish | David Moncoutié | Vincenzo Nibali | Caisse d'Epargne |
| 10.0 | Imanol Erviti | Joaquim Rodríguez | Mark Cavendish | David Moncoutié | David Moncoutié | Caisse d'Epargne |
| 11.0 | Igor Antón | Igor Antón | Igor Antón | David Moncoutié | Igor Antón | Caisse d'Epargne |
| 12.0 | Mark Cavendish | Igor Antón | Mark Cavendish | David Moncoutié | Igor Antón | Caisse d'Epargne |
| 13.0 | Mark Cavendish | Igor Antón | Mark Cavendish | David Moncoutié | Igor Antón | Caisse d'Epargne |
| 14.0 | Joaquim Rodríguez | Vincenzo Nibali | Mark Cavendish | David Moncoutié | Joaquim Rodríguez | Caisse d'Epargne |
| 15.0 | Carlos Barredo | Vincenzo Nibali | Mark Cavendish | David Moncoutié | Joaquim Rodríguez | Team Katusha |
| 16.0 | Mikel Nieve | Joaquim Rodríguez | Mark Cavendish | David Moncoutié | Joaquim Rodríguez | Team Katusha |
| 17.0 | Peter Velits | Vincenzo Nibali | Mark Cavendish | David Moncoutié | Joaquim Rodríguez | Team Katusha |
| 18.0 | Mark Cavendish | Vincenzo Nibali | Mark Cavendish | David Moncoutié | Joaquim Rodríguez | Team Katusha |
| 19.0 | Philippe Gilbert | Vincenzo Nibali | Mark Cavendish | David Moncoutié | Joaquim Rodríguez | Team Katusha |
| 20.0 | Ezequiel Mosquera 2 | Vincenzo Nibali | Mark Cavendish | David Moncoutié | Vincenzo Nibali | Team Katusha |
| 21.0 | Tyler Farrar | Vincenzo Nibali | Mark Cavendish | David Moncoutié | Vincenzo Nibali | Team Katusha |
Question:
Who was awarded mountains classification when Alessandro petacchi won? 
Answer:
Serafín Martínez