Complex sentence: Olga Mikhailovna Chernyavskaya, née Davydova, then Burova (born September 17,1963 in Irbit) is a Russian discus thrower best known for winning the gold medal at the 1993 World Championships.
Split into simpler sentences: Olga Mikhailovna Chernyavskaya, née Davydova, formerly Burova (born September 17,1963) is a Russian discus thrower. As Olga Burova, she won the gold medal at the 1993 World Championships.