user: Question: What was the Women's doubles that has a Men's singles of Fernando Silva, and in the year 1996?
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 "Women's doubles" FROM "Table" WHERE "Men's singles" = 'Fernando Silva' AND "Year" < 1996.0;