What is the original air date of the episode that was number 31 in the series? 
CREATE TABLE table_29584044_1 (original_air_date VARCHAR, no_in_series VARCHAR)
SELECT original_air_date FROM table_29584044_1 WHERE no_in_series = 31
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29584044_1 (original_air_date VARCHAR, no_in_series VARCHAR) Question: What is the original air date of the episode that was number 31 in the series?  [/INST] SELECT original_air_date FROM table_29584044_1 WHERE no_in_series = 31 </s>