Who won in the men's doubles in 1980?
CREATE TABLE table_6651 (
    "Year" text,
    "Men's singles" text,
    "Women's singles" text,
    "Men's doubles" text,
    "Women's doubles" text,
    "Mixed doubles" text
)
SELECT "Men's doubles" FROM table_6651 WHERE "Year" = '1980'
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 in the men's doubles in 1980? ### Input: CREATE TABLE table_6651 (
    "Year" text,
    "Men's singles" text,
    "Women's singles" text,
    "Men's doubles" text,
    "Women's doubles" text,
    "Mixed doubles" text
) ### Response: SELECT "Men's doubles" FROM table_6651 WHERE "Year" = '1980'