CREATE TABLE table_name_2 (joined VARCHAR, founded VARCHAR, current_conference VARCHAR)
What joined that was founded prior to year 1856 and whose current conference is the Big South (NCAA Division I)?
SELECT joined FROM table_name_2 WHERE founded < 1856 AND current_conference = "big south (ncaa division i)"
SELECT joined FROM table_name_2 WHERE founded < '1856' AND current_conference = 'Big South (NCAA Division I)';