Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Location | Gold | Silver | Bronze |
| --- | --- | --- | --- | --- |
| 1990.0 | Beijing | Chen Sitan | Wang Zengxiang | Nobutsugu Arai |
| 1994.0 | Hiroshima | Masaru Masuda | Chan Ming Shu | Han Gyeong Su Daniel Go |
| 1998.0 | Bangkok | Chan Ming Shu | Toshiya Watanabe | Nguyen Anh Minh |
| 2002.0 | Busan | Yang Seong Chan | Chan Ming Shu | Bobby Co |
| 2006.0 | Doha | Wu Yanan | Hei Zhi Hong | Goh Qiu Bin |
| 2010.0 | Guangzhou | Wu Yanan | Nguyen Thanh Tung | Hsiao Yung-jih |
Question:
Who won silver in the year before 2010, the year Chan Ming Shu won gold?
Answer:
Toshiya Watanabe