Complex sentence: DiCillo wrote and directed "When You're Strange" (2009), a documentary about seminal rock band The Doors, which premiered at the Sundance Film Festival and was nominated for a Grand Jury Prize.
Split into simpler sentences: DiCillo wrote and directed the movie "When You're Strange", which was released in 2009 and premiered at the Sundance Film festival. The film, a documentary about seminal rock band The Doors, was nominated for a Grand Jury Prize.