What is the title when 2.50 is u.s. viewers (in millions)? 
CREATE TABLE table_23499946_1 (title VARCHAR, us_viewers__in_millions_ VARCHAR)
SELECT title FROM table_23499946_1 WHERE us_viewers__in_millions_ = "2.50"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23499946_1 (title VARCHAR, us_viewers__in_millions_ VARCHAR) Question: What is the title when 2.50 is u.s. viewers (in millions)?  [/INST] SELECT title FROM table_23499946_1 WHERE us_viewers__in_millions_ = "2.50" </s>