user: Question: What was the Men's singles from the Year of 1966?
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: [1956.0, 'Jose da Silva', 'Lezita Chaves', 'Jose da Silva Anibal Rebelo', 'no competition', 'Jose da Silva Guida de Freitas']
SQL:

assistant: SELECT "Men's singles" FROM "Table" WHERE "Year" = 1966.0;