Original sentence: Michael Senft (born 28 September 1972 in Bad Kreuznach) is a German slalom canoer who competed in the late 1990s and early 2000s.Senft also won a silver medal in the C-2 event at the 1997 ICF Canoe Slalom World Championships in Três Coroas
Edited sentence: Michael Senft (born 28 September 1972 in Bad Kreuznach) is a German slalom canoer who competed from the late 1990s to the mid 2000s.Senft also won two medals in the C-2 event at the ICF Canoe Slalom World Championships with a gold in 2005 and a silver in 1997