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_12171145_1 (mens_doubles VARCHAR, womens_doubles VARCHAR)
### Question:
How many mens doubles when womens doubles is catrine bengtsson margit borg?
### Answer:
SELECT COUNT(mens_doubles) FROM table_12171145_1 WHERE womens_doubles = "Catrine Bengtsson Margit Borg"