Table:
text: 2002 Vuelta a España
Jersey Progress
Jersey Progress
Stage Winner General_classification Points_classification Mountains_classification Combination_classification Team_classification
9 Pablo Lastras Óscar Sevilla Erik Zabel Gilberto Simoni Óscar Sevilla ONCE-Eroski
10 Aitor González Óscar Sevilla Erik Zabel Gilberto Simoni Óscar Sevilla Kelme-Costa Blanca
11 Pablo Lastras Óscar Sevilla Erik Zabel Gilberto Simoni Óscar Sevilla Kelme-Costa Blanca
12 Alessandro Petacchi Óscar Sevilla Erik Zabel Gilberto Simoni Óscar Sevilla Kelme-Costa Blanca
13 Giovanni Lombardi Óscar Sevilla Erik Zabel Gilberto Simoni Óscar Sevilla Team Coast
14 Sergei Smetanine Óscar Sevilla Erik Zabel Gilberto Simoni Óscar Sevilla Team Coast
15 Roberto Heras Roberto Heras Erik Zabel Gilberto Simoni Roberto Heras Kelme-Costa Blanca
16 Santiago Botero Roberto Heras Erik Zabel Aitor Osa Roberto Heras Kelme-Costa Blanca

Question: What is the minimum stage that Sergei Smetanine won at the 2002 Vuelta a Espana?