Complex sentence: Amy Gillett (9 January 1976--18 July 2005) was an Australian track cyclist and rower who represented Australia in both sports before her death when a teenage driver crashed into the Australian squad of cyclists with whom she was training in Germany.
Split into simpler sentences: Amy Gillett (9 January 1976--18 July 2005) was an Australian track cyclist and rower who represented Australia in both sports. She was killed when a driver crashed into the Australian squad of cyclists with whom she was training in Germany.