In what stadium did Misako Miyahara win the silver medal in the women's marathon?
Misako Miyahara: Misako Miyahara (宮原 美佐子 , born May 29, 1962) is a retired long-distance runner from Japan. Athletics at the 1986 Asian Games: The athletics competition at the 1986 Asian Games was held in Olympic Stadium, Seoul, South Korea.
i don't know