The 2007 Firestone Indy 400 included a massive pile-up on lap 144 that ended the race for the four-time IndyCar champion of what nationality?
2007 Firestone Indy 400:  The race was also notable in that only seven cars were running at the finish, after a massive accident on lap 144 of the race which included Dario Franchitti flipping upside-down after hitting Dan Wheldon. Dario Franchitti:  He is a four time IndyCar Series champion (2007, 2009, 2010, 2011), a three-time winner of the Indianapolis 500 (2007, 2010, 2012) as well as a winner of the 24 Hours of Daytona (2008).
i don't know