Simplify the following text for a Grade 4 native English-speaking person.
Original: Formerly a driver for the Scuderia Toro Rosso F1 team , he made his Formula One race debut at the 2006 Bahrain Grand Prix , becoming the first American to race in F1 since Michael Andretti in 1993 .
Simplified: He made his first F1 race start at the 2006 Bahrain Grand Prix . He was the first American to race in F1 since Michael Andretti in 1993 .