Question: 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?
Sentence (from "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.
Relevant evidence: Yes