Who was the mens doubles when womens singles is mette s rensen?
CREATE TABLE table_12171145_1 (
    mens_doubles VARCHAR,
    womens_singles VARCHAR
)
SELECT mens_doubles FROM table_12171145_1 WHERE womens_singles = "Mette Sørensen"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who was the mens doubles when womens singles is mette s rensen? ### Input: CREATE TABLE table_12171145_1 (
    mens_doubles VARCHAR,
    womens_singles VARCHAR
) ### Response: SELECT mens_doubles FROM table_12171145_1 WHERE womens_singles = "Mette Sørensen"