Name the winners of the mens doubles in the season of 1963/64.
CREATE TABLE table_28211988_4 (mens_doubles VARCHAR, season VARCHAR)
SELECT mens_doubles FROM table_28211988_4 WHERE season = "1963/64"
### Context: CREATE TABLE table_28211988_4 (mens_doubles VARCHAR, season VARCHAR) ### Question: Name the winners of the mens doubles in the season of 1963/64. ### Answer: SELECT mens_doubles FROM table_28211988_4 WHERE season = "1963/64"