user: Question: Who played men's doubles in 2012?
Columns: ['Year', "Men's Singles", "Women's Singles", "Men's Doubles", "Women's Doubles", 'Mixed Doubles']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2013', 'Osleni Guerrero', 'Michelle Li', 'Adrian Liu Derrick Ng', 'Eva Lee Paula Lynn Obanana', 'Toby Ng Alex Bruce']
SQL:

assistant: SELECT "Men's Doubles" FROM "Table" WHERE "Year" = '2012';