query: How did Scott-Bowker perform at the 1986 and 1987 commonwealth games in the 1500 and 3000m?
answer: Scott-Bowker competed at four Commonwealth Games (1978–90), winning silver medals at the 1986 Commonwealth Games in the 1500 m and 3000 m, and another silver in the 1500 m at the 1987 Pan American Games.