When did Northeastern University join?
CREATE TABLE table_name_59 (joined INTEGER, institution VARCHAR)
SELECT SUM(joined) FROM table_name_59 WHERE institution = "northeastern university"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_59 (joined INTEGER, institution VARCHAR) Question: When did Northeastern University join? [/INST] SELECT SUM(joined) FROM table_name_59 WHERE institution = "northeastern university" </s>