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_14904046_1 (mixed_doubles VARCHAR, year VARCHAR)
### Question:
How many couples won the Mixed Doubles in 1997?
### Answer:
SELECT COUNT(mixed_doubles) FROM table_14904046_1 WHERE year = 1997