What Date had a Series of ATCC Round 6?
CREATE TABLE table_name_28 (date VARCHAR, series VARCHAR)
SELECT date FROM table_name_28 WHERE series = "atcc round 6"
### Context: CREATE TABLE table_name_28 (date VARCHAR, series VARCHAR) ### Question: What Date had a Series of ATCC Round 6? ### Answer: SELECT date FROM table_name_28 WHERE series = "atcc round 6"