What is the highest GA when GF is 39?
CREATE TABLE table_1888157_1 (ga INTEGER, gf VARCHAR)
SELECT MAX(ga) FROM table_1888157_1 WHERE gf = 39
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1888157_1 (ga INTEGER, gf VARCHAR) Question: What is the highest GA when GF is 39? [/INST] SELECT MAX(ga) FROM table_1888157_1 WHERE gf = 39 </s>