user: Question: Name the number of women's doubles for 1986
Columns: ['Year', 'Mens singles', 'Womens singles', 'Mens doubles', 'Womens doubles', 'Mixed doubles']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1962', 'Wayne Macdonnell , BC', 'Marjory Shedd , ON', 'Jim Poole Bobby Williams', 'Marjory Shedd Dorothy Tinline', 'Berndt Dahlberg Dorothy Tinline']
SQL:

assistant: SELECT COUNT("Womens doubles") FROM "Table" WHERE "Year" = '1986';