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_27713721_1 (production_code VARCHAR, us_viewers__millions_ VARCHAR)
### Question:
How many episodes had an audience of exactly 25.3 million viewers in the U.S.A.?
### Answer:
SELECT COUNT(production_code) FROM table_27713721_1 WHERE us_viewers__millions_ = "25.3"