When did series 6 start?
CREATE TABLE table_24057191_2 (start_date VARCHAR, series VARCHAR)
SELECT start_date FROM table_24057191_2 WHERE series = 6
### Context: CREATE TABLE table_24057191_2 (start_date VARCHAR, series VARCHAR) ### Question: When did series 6 start? ### Answer: SELECT start_date FROM table_24057191_2 WHERE series = 6