Table:
text: 2011 World Touring Car Championship season
Results and standings
Races
Race Race_Name Pole_Position Fastest_lap Winning_driver Winning_team Yokohama_winner Jay_Ten_Winner Report_
14 Race of UK  Yvan Muller Yvan Muller Chevrolet Franz Engstler no finishers Report
15 Race of Germany Yvan Muller Robert Huff Yvan Muller Chevrolet Stefano D`Aste Ibrahim Okyay Report
16 Race of Germany  Tom Coronel Franz Engstler Liqui Moly Team Engstler Franz Engstler Ibrahim Okyay Report
17 Race of Spain Yvan Muller Yvan Muller Yvan Muller Chevrolet Kristian Poulsen Fabio Fabiani Report
18 Race of Spain  Yvan Muller Yvan Muller Chevrolet Kristian Poulsen Fabio Fabiani Report
19 Race of Japan Alain Menu Alain Menu Alain Menu Chevrolet Michel Nykjær Charles Ng Report
20 Race of Japan  Robert Dahlgren Tom Coronel ROAL Motorsport Michel Nykjær Charles Ng Report

text: 2011 World Touring Car Championship season
Results and standings
Races
Race Race_Name Pole_Position Fastest_lap Winning_driver Winning_team Yokohama_winner Jay_Ten_Winner Report_
21 Race of China Alain Menu Robert Huff Alain Menu Chevrolet Colin Turkington Fabio Fabiani Report
22 Race of China  Yvan Muller Yvan Muller Chevrolet Colin Turkington Fabio Fabiani Report
23 Guia Race of Macau Robert Huff Yvan Muller Robert Huff Chevrolet Michel Nykjær Jo Merszei Report
24 Guia Race of Macau  Robert Huff Robert Huff Chevrolet Michel Nykjær Jo Merszei Report

text: 2011 World Touring Car Championship season
Results and standings
Races
Race Race_Name Pole_Position Fastest_lap Winning_driver Winning_team Yokohama_winner Jay_Ten_Winner Report_
1 Race of Brazil Robert Huff Robert Huff Robert Huff Chevrolet Kristian Poulsen Michel Nykjær Report
2 Race of Brazil  Robert Huff Alain Menu Chevrolet Javier Villa Pepe Oriola Report
3 Race of Belgium Robert Huff Robert Huff Robert Huff Chevrolet Kristian Poulsen Michel Nykjær Report
4 Race of Belgium  Javier Villa Gabriele Tarquini Lukoil – SUNRED Darryl O`Young Michel Nykjær Report
5 Race of Italy Robert Huff Yvan Muller Robert Huff Chevrolet Norbert Michelisz Fredy Barth Report
6 Race of Italy  Yvan Muller Robert Huff Chevrolet Kristian Poulsen Pepe Oriola Report

text: 2011 World Touring Car Championship season
Results and standings
Races
Race Race_Name Pole_Position Fastest_lap Winning_driver Winning_team Yokohama_winner Jay_Ten_Winner Report_
7 Race of Hungary Alain Menu Norbert Michelisz Alain Menu Chevrolet Norbert Michelisz Aleksei Dudukalo Report
8 Race of Hungary  Norbert Michelisz Yvan Muller Chevrolet Franz Engstler Aleksei Dudukalo Report
9 Race of the Czech Republic Yvan Muller Robert Huff Robert Huff Chevrolet Kristian Poulsen Aleksei Dudukalo Report
10 Race of the Czech Republic  Yvan Muller Yvan Muller Chevrolet Michel Nykjær Aleksei Dudukalo Report
11 Race of Portugal Alain Menu Alain Menu Alain Menu Chevrolet Norbert Michelisz no finishers Report
12 Race of Portugal  Robert Huff Robert Huff Chevrolet Norbert Michelisz Aleksei Dudukalo Report
13 Race of UK Yvan Muller Robert Huff Yvan Muller Chevrolet Franz Engstler no finishers Report

Question: How many times has Chevrolet been the winning team in the 2011 World Touring Car Championship season?