What episode was watched by 10.81 million US viewers?
CREATE TABLE table_23958944_5 (no_by_season INTEGER, us_viewers__in_millions_ VARCHAR)
SELECT MIN(no_by_season) FROM table_23958944_5 WHERE us_viewers__in_millions_ = "10.81"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23958944_5 (no_by_season INTEGER, us_viewers__in_millions_ VARCHAR) Question: What episode was watched by 10.81 million US viewers? [/INST] SELECT MIN(no_by_season) FROM table_23958944_5 WHERE us_viewers__in_millions_ = "10.81" </s>