Who is the mens doubles when womens doubles is anastasia chervyakova romina gabdullina?
CREATE TABLE table_12171145_1 (
    mens_doubles VARCHAR,
    womens_doubles VARCHAR
)
SELECT mens_doubles FROM table_12171145_1 WHERE womens_doubles = "Anastasia Chervyakova Romina Gabdullina"
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 is the mens doubles when womens doubles is anastasia chervyakova romina gabdullina? ### Input: CREATE TABLE table_12171145_1 (
    mens_doubles VARCHAR,
    womens_doubles VARCHAR
) ### Response: SELECT mens_doubles FROM table_12171145_1 WHERE womens_doubles = "Anastasia Chervyakova Romina Gabdullina"