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_12266757_1 (womens_singles VARCHAR, mens_doubles VARCHAR)
### Question:
Who was the womens singles winnerwhen the mens doubles were  stefan karlsson claes nordin , bk aura gbk?
### Answer:
SELECT womens_singles FROM table_12266757_1 WHERE mens_doubles = "Stefan Karlsson Claes Nordin , BK Aura GBK"