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
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15001957_1 (mixed_doubles VARCHAR, year VARCHAR) Question: How many mixed doubles were won in 1996? [/INST] SELECT COUNT(mixed_doubles) FROM table_15001957_1 WHERE year = 1996 </s>