user: Question: Who won in mixed doubles in 2008?
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: ['1953', 'J. Zammit-Lewis', 'no competition', 'H. J. Fiteni V. Zammit', 'no competition', 'no competition']
SQL:

assistant: SELECT "Mixed doubles" FROM "Table" WHERE "Year" = '2008';