Question: What privately financed project was led my Andre Borscheberg, Bertrand Piccard, and Brian Jones?
Sentence (from "Solar Impulse"): The privately financed project is led by Swiss engineer and businessman André Borschberg and Swiss psychiatrist and balloonist Bertrand Piccard, who co-piloted "Breitling Orbiter 3", the first balloon to circle the world non-stop.
Relevant evidence: Yes