Facts: - height: 1.77 0 - strokes: backstroke - birth date: 6 may 1979 - fullname: katerina pivonkova - weight: 68 kg lb - club: usk praha - birth place: vlasim , stredocesky Based on these bullet points, write a short biography describing the life of katerina pivonkova .
The answer to this question is:
katerina pivonkova -lrb- born may 6 , 1979 in vlasim , stredocesky -rrb- is a retired female backstroke swimmer from the czech republic , who twice competed for her native country at the olympic games : in 1996 and 2004 .