On average, when were vineyard schools founded?
CREATE TABLE table_name_13 (founded INTEGER, suburb_town VARCHAR)
SELECT AVG(founded) FROM table_name_13 WHERE suburb_town = "vineyard"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_13 (founded INTEGER, suburb_town VARCHAR) Question: On average, when were vineyard schools founded? [/INST] SELECT AVG(founded) FROM table_name_13 WHERE suburb_town = "vineyard" </s>