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 | Mountains Classification | Sprint Classification | Team Classification |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Paul Voss | Paul Voss | no award | no award | Team RadioShack |
| 2.0 | Mark Cavendish | Paul Voss | Peter Stetina | Jonathan Castroviejo | Team RadioShack |
| 3.0 | Xavier Tondó | Joaquim Rodríguez | David Gutiérrez Gutiérrez | Jonathan Castroviejo | Team Katusha |
| 4.0 | Jens Voigt | Joaquim Rodríguez | David Gutiérrez Gutiérrez | Jonathan Castroviejo | Team Katusha |
| 5.0 | Davide Malacarne | Joaquim Rodríguez | David Gutiérrez Gutiérrez | Jonathan Castroviejo | Team Katusha |
| 6.0 | Samuel Dumoulin | Joaquim Rodríguez | David Gutiérrez Gutiérrez | Jonathan Castroviejo | Team Katusha |
| 7.0 | Juan José Haedo | Joaquim Rodríguez | David Gutiérrez Gutiérrez | Jonathan Castroviejo | Team Katusha |
Question:
What is the earliest stage where mountains classifications was awarded to Peter Stetina? 
Answer:
2.0