what year did north carolina institution join the acc?
CREATE TABLE table_28744929_1 (joined_acc INTEGER, institution VARCHAR)
SELECT MAX(joined_acc) FROM table_28744929_1 WHERE institution = "North Carolina"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28744929_1 (joined_acc INTEGER, institution VARCHAR) Question: what year did north carolina institution join the acc? [/INST] SELECT MAX(joined_acc) FROM table_28744929_1 WHERE institution = "North Carolina" </s>