Complex sentence: When their starship is damaged during the escape, they land on Tatooine for repairs, where Qui-Gon discovers a nine-year-old slave named Anakin Skywalker.
Split into simpler sentences: When their starship is damaged during the escape, they land on Tatooine for repairs. While on Tatooine, Qui-Gon discovers a nine-year-old slave named Anakin Skywalker.