Who won the mens doubles the year Alison Humby won the womens singles?
CREATE TABLE table_12163387_1 (
    mens_doubles VARCHAR,
    womens_singles VARCHAR
)
SELECT mens_doubles FROM table_12163387_1 WHERE womens_singles = "Alison Humby"
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 won the mens doubles the year Alison Humby won the womens singles? ### Input: CREATE TABLE table_12163387_1 (
    mens_doubles VARCHAR,
    womens_singles VARCHAR
) ### Response: SELECT mens_doubles FROM table_12163387_1 WHERE womens_singles = "Alison Humby"