When was the last year when Katharine Hepburn won?
CREATE TABLE table_name_20 (year INTEGER, actress VARCHAR)
SELECT MAX(year) FROM table_name_20 WHERE actress = "katharine hepburn"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_20 (year INTEGER, actress VARCHAR) Question: When was the last year when Katharine Hepburn won? [/INST] SELECT MAX(year) FROM table_name_20 WHERE actress = "katharine hepburn" </s>