How many mixed doubles were won in 1996?
CREATE TABLE table_15001957_1 (
    mixed_doubles VARCHAR,
    year VARCHAR
)
SELECT COUNT(mixed_doubles) FROM table_15001957_1 WHERE year = 1996
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: How many mixed doubles were won in 1996? ### Input: CREATE TABLE table_15001957_1 (
    mixed_doubles VARCHAR,
    year VARCHAR
) ### Response: SELECT COUNT(mixed_doubles) FROM table_15001957_1 WHERE year = 1996