Table:
text: 2010 Volta a Catalunya
Classification leadership
Classification leadership
Stage Winner General_Classification Mountains_Classification Sprint_Classification Team_Classification
1 Paul Voss Paul Voss no award no award Team RadioShack
2 Mark Cavendish Paul Voss Peter Stetina Jonathan Castroviejo Team RadioShack
3 Xavier Tondó Joaquim Rodríguez David Gutiérrez Gutiérrez Jonathan Castroviejo Team Katusha
4 Jens Voigt Joaquim Rodríguez David Gutiérrez Gutiérrez Jonathan Castroviejo Team Katusha
5 Davide Malacarne Joaquim Rodríguez David Gutiérrez Gutiérrez Jonathan Castroviejo Team Katusha
6 Samuel Dumoulin Joaquim Rodríguez David Gutiérrez Gutiérrez Jonathan Castroviejo Team Katusha
7 Juan José Haedo Joaquim Rodríguez David Gutiérrez Gutiérrez Jonathan Castroviejo Team Katusha

Question: What is the earliest period in which Peter Stetina was awarded the mountain classification for Volta a Catalunya 2010?