When was the aircraft introduced that could seat 115 people?
CREATE TABLE table_name_30 (introduced INTEGER, seating VARCHAR)
SELECT AVG(introduced) FROM table_name_30 WHERE seating = "115"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_30 (introduced INTEGER, seating VARCHAR) Question: When was the aircraft introduced that could seat 115 people? [/INST] SELECT AVG(introduced) FROM table_name_30 WHERE seating = "115" </s>