What year did helle nielsen marie r pke play womens' doubles?
CREATE TABLE table_69552 (
    "Year" real,
    "Men's singles" text,
    "Women's singles" text,
    "Men's doubles" text,
    "Women's doubles" text,
    "Mixed doubles" text
)
SELECT "Year" FROM table_69552 WHERE "Women's doubles" = 'helle nielsen marie røpke'
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: What year did helle nielsen marie r pke play womens' doubles? ### Input: CREATE TABLE table_69552 (
    "Year" real,
    "Men's singles" text,
    "Women's singles" text,
    "Men's doubles" text,
    "Women's doubles" text,
    "Mixed doubles" text
) ### Response: SELECT "Year" FROM table_69552 WHERE "Women's doubles" = 'helle nielsen marie røpke'