The caution flag was brought out during Sunday’s Children’s of Alabama Indy Grand Prix at Barber Motorsports Park after a mannequin fell from the overpass and onto the racetrack. Known as “Georgina,” the mannequin was run over by a car, prompting a response from the NBC broadcast crew. “There’s been an accident of a different kind,” the broadcast stated. “Not a real person, we should point that out right away. … Put this into the list of things you don’t see at a racetrack. By the way, her name is Georgina, and this racetrack is full of lots of interesting characters and statues and things.” W…