Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_18173916_6 (episodes VARCHAR, tuesday VARCHAR)
### Question:
What were the dates when 224 Assassin's Creed: Brotherhood Circus Training was shown on Tuesday?
### Answer:
SELECT episodes FROM table_18173916_6 WHERE tuesday = "224 Assassin's Creed: Brotherhood Circus Training"