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_15315816_1 (year VARCHAR, champion VARCHAR)
### Question:
When are all years that the champion is Ji Min Jeong?
### Answer:
SELECT year FROM table_15315816_1 WHERE champion = "Ji Min Jeong"