user: Question: What is the result of men's doubles when there was no competition?
Columns: ['Year', 'Mens singles', 'Womens singles', 'Mens doubles', 'Womens doubles', 'Mixed doubles']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1994.0, 'Ivan Đurić', 'Nataša Ostojić', 'no competition', 'no competition', 'no competition']
SQL:

assistant: SELECT "Mixed doubles" FROM "Table" WHERE "Mens doubles" = 'no competition';