user: Question: What is the year in which Yong Yudianto won the men's singles?
Columns: ['Year', "Men's singles", "Women's singles", "Men's doubles", "Women's doubles", 'Mixed doubles']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1988.0, 'Kim Brodersen', 'Katrin Schmidt', 'Markus Keck Robert Neumann', 'Katrin Schmidt Nicole Baldewein', 'Markus Keck Katrin Schmidt']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Men's singles" = 'Yong Yudianto';