What was the earliest date an institution was founded that joined in 1977? 
CREATE TABLE table_261913_1 (founded INTEGER, joined VARCHAR)
SELECT MIN(founded) FROM table_261913_1 WHERE joined = "1977"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_261913_1 (founded INTEGER, joined VARCHAR) Question: What was the earliest date an institution was founded that joined in 1977?  [/INST] SELECT MIN(founded) FROM table_261913_1 WHERE joined = "1977" </s>