What key details about zdeněk vávra  can be extracted from the following bio?  Bio: zdeněk vávra -lrb- born 1891 , date of death unknown -rrb- was an olympic fencer who competed for bohemia in 1912 and czechoslovakia in 1920 .
Answer:
- name is zdeněk vávra- sport is fencing- birth date is 1891