Please answer the following question: What key details about valerie ziegenfuss can be extracted from the following bio? Bio: valerie bradshaw -lrb- nee ziegenfuss , june 29 , 1949 -rrb- is an american former female professional tennis player . she started off as an amateur player at the beginning of the 1970s before turning professional . she is most famous for being one of the so-called '' '' original 9 '' '' along with eight of her fellow players , who rebelled against the united states tennis association in 1970 . their actions brought about the creation of a new tennis tour , the virginia slims circuit , which was the basis for the wta tour . during her career she reached the fourth round at the french open -lrb- in 1972 -rrb- and the us open on two occasions -lrb- 1969 and 1975 -rrb- . she reached one singles final the virginia slims of oklahoma in 1972 . she had far more success in doubles tournament , with twelve doubles final appearances , including six tournament victories . she won a bronze medal in doubles in the 1968 olympics in mexico city partnering with jane bartkowicz .
A:
- doublesrecord is 45-42- residence is u.s.- singlesrecord is 25-44- wimbledonresult is 3r -rrb- -lrb- 1970 , 1973 , 1975 , 1976- usopenresult is 4r -lrb- 1969 , 1975 -rrb-- plays is right-handed- doublestitles is 6- updated is november 24 , 2010- country is united states- frenchopenresult is 4r -lrb- 1972 -rrb-- birth date is 29 june 1949- name is valerie ziegenfuss- birth place is san diego , california