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