Table:
text: 2003 Vuelta a España
Jersey Progress
Jersey Progress
Stage Winner General_classification Points_classification Mountains_classification Combination_classification Team_classification
8 Joaquim Rodríguez Isidro Nozal Joaquim Rodríguez Joan Horrach Isidro Nozal ONCE-Eroski
9 Alejandro Valverde Isidro Nozal Isidro Nozal Félix Cárdenas Isidro Nozal ONCE-Eroski
10 Erik Zabel Isidro Nozal Alessandro Petacchi Félix Cárdenas Alejandro Valverde ONCE-Eroski
11 Erik Zabel Isidro Nozal Erik Zabel Félix Cárdenas Alejandro Valverde ONCE-Eroski
12 Alessandro Petacchi Isidro Nozal Erik Zabel Félix Cárdenas Isidro Nozal ONCE-Eroski
13 Isidro Nozal Isidro Nozal Erik Zabel Félix Cárdenas Isidro Nozal ONCE-Eroski
14 Alessandro Petacchi Isidro Nozal Alessandro Petacchi Félix Cárdenas Isidro Nozal ONCE-Eroski
15 Alejandro Valverde Isidro Nozal Erik Zabel Félix Cárdenas Alejandro Valverde ONCE-Eroski
16 Félix Cárdenas Isidro Nozal Erik Zabel Félix Cárdenas Alejandro Valverde ONCE-Eroski

text: 2003 Vuelta a España
Jersey Progress
Jersey Progress
Stage Winner General_classification Points_classification Mountains_classification Combination_classification Team_classification
1 ONCE-Eroski Igor González de Galdeano Igor González de Galdeano Jan Hruška Igor González de Galdeano ONCE-Eroski
2 Luis Pérez Joaquim Rodríguez Joaquim Rodríguez Luis Pérez Luis Pérez ONCE-Eroski
3 Alessandro Petacchi Joaquim Rodríguez Joaquim Rodríguez Luis Pérez Luis Pérez ONCE-Eroski
4 Unai Etxebarria Isidro Nozal David Etxebarria Félix Cárdenas Isidro Nozal ONCE-Eroski
5 Alessandro Petacchi Isidro Nozal Alessandro Petacchi Félix Cárdenas Isidro Nozal ONCE-Eroski
6 Isidro Nozal Isidro Nozal Alessandro Petacchi Félix Cárdenas Isidro Nozal ONCE-Eroski
7 Michael Rasmussen Isidro Nozal Alessandro Petacchi Félix Cárdenas Isidro Nozal ONCE-Eroski

text: 2003 Vuelta a España
Jersey Progress
Jersey Progress
Stage Winner General_classification Points_classification Mountains_classification Combination_classification Team_classification
17 David Millar Isidro Nozal Erik Zabel Félix Cárdenas Alejandro Valverde ONCE-Eroski
18 Pedro Diaz Lobato Isidro Nozal Erik Zabel Félix Cárdenas Alejandro Valverde ONCE-Eroski
19 Filippo Simeoni Isidro Nozal Erik Zabel Félix Cárdenas Alejandro Valverde ONCE-Eroski
20 Roberto Heras Roberto Heras Alejandro Valverde Félix Cárdenas Alejandro Valverde iBanesto.com
21 Alessandro Petacchi Roberto Heras Erik Zabel Félix Cárdenas Alejandro Valverde iBanesto.com

Question: How many combination scores have the winner as Erik Zabel and a points score as Alessandro Petacchi of 2003 Vuelta a España?