 Complete the following phrase:  As Tetyana Samolenko, she was the leading female middle-distance runner of the late 1980s. She is the 1988 Olympic champion at 3000 metres, the 1987 World champion at both 1500 metres and 3000 metres, and the 1987 World Indoor champion at 3000 metres. At 1500m, she also won Olympic bronze 1988, World Indoor silver 1987, European silver 1986 and the 1986 Goodwill Games title. Having given birth in 1990, she returned to competition in 1991 competing as Tetyana Dorovskikh, and retained her 