How many episodes in the series are also episode 18 in the season?
CREATE TABLE table_23492454_1 (no_in_series VARCHAR, no_in_season VARCHAR)
SELECT COUNT(no_in_series) FROM table_23492454_1 WHERE no_in_season = 18
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23492454_1 (no_in_series VARCHAR, no_in_season VARCHAR) Question: How many episodes in the series are also episode 18 in the season? [/INST] SELECT COUNT(no_in_series) FROM table_23492454_1 WHERE no_in_season = 18 </s>