Johnny Herbert competed using the Stewart SF3 and the Mazda 787B for what activity?
Stewart SF3 The Stewart SF3 was the Formula One car the Stewart Grand Prix team used to compete in the 1999 Formula One season. It was driven by Rubens Barrichello, in his third season with the team, and Johnny Herbert, who joined from Sauber.
2011 24 Hours of Le Mans The 2011 24 Hours of Le Mans ("24 Heures du Mans 2011") was the 79th Grand Prix of Endurance, and took place on 11–12 June 2011 at the Circuit de la Sarthe, Le Mans, France, and organised by the Automobile Club de l'Ouest (ACO). It was the third round of the 2011 Intercontinental Le Mans Cup, and was part of a World Championship or International Cup for the first time since 1992, when it was part of the World Sportscar Championship. The race was attended by 249,500 spectators.