text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_15001957_1 (mixed_doubles VARCHAR, year VARCHAR)
  ### Question:
  How many mixed doubles were won in 1996?
  ### Answer:
  SELECT COUNT(mixed_doubles) FROM table_15001957_1 WHERE year = 1996