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
### Context: CREATE TABLE table_1888157_1 (ga INTEGER, gf VARCHAR) ### Question: What is the highest GA when GF is 39? ### Answer: SELECT MAX(ga) FROM table_1888157_1 WHERE gf = 39