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_
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

Question: How many pole positions did Robert Huff win in the 2011 World Touring Car Championship?