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_name_1 (chart_positions VARCHAR, format VARCHAR)
### Question:
What chart positions did the album reach when ep was the format?
### Answer:
SELECT chart_positions FROM table_name_1 WHERE format = "ep"