Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### 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"