Who are the mens doubles and womens singles is wang shixian?
CREATE TABLE table_18801 (
    "Year" real,
    "Mens singles" text,
    "Womens singles" text,
    "Mens doubles" text,
    "Womens doubles" text,
    "Mixed doubles" text
)
SELECT "Mens doubles" FROM table_18801 WHERE "Womens singles" = 'Wang Shixian'
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 are the mens doubles and womens singles is wang shixian? ### Input: CREATE TABLE table_18801 (
    "Year" real,
    "Mens singles" text,
    "Womens singles" text,
    "Mens doubles" text,
    "Womens doubles" text,
    "Mixed doubles" text
) ### Response: SELECT "Mens doubles" FROM table_18801 WHERE "Womens singles" = 'Wang Shixian'