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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15315816_1 (year VARCHAR, champion VARCHAR) Question: When are all years that the champion is Ji Min Jeong? [/INST] SELECT year FROM table_15315816_1 WHERE champion = "Ji Min Jeong" </s>