What's the series number of the episode with season number 2?
CREATE TABLE table_19236587_4 (series_no INTEGER, season_no VARCHAR)
SELECT MIN(series_no) FROM table_19236587_4 WHERE season_no = 2
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_19236587_4 (series_no INTEGER, season_no VARCHAR) Question: What's the series number of the episode with season number 2? [/INST] SELECT MIN(series_no) FROM table_19236587_4 WHERE season_no = 2 </s>