How many episodes had an audience of exactly 25.3 million viewers in the U.S.A.?
CREATE TABLE table_27713721_1 (production_code VARCHAR, us_viewers__millions_ VARCHAR)
SELECT COUNT(production_code) FROM table_27713721_1 WHERE us_viewers__millions_ = "25.3"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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.? [/INST] SELECT COUNT(production_code) FROM table_27713721_1 WHERE us_viewers__millions_ = "25.3" </s>