CREATE TABLE table_39439 ("Rank" CLOB, "Nation" CLOB, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

What is the gold medal count that has a silver medal count less than 0?
SELECT MAX("Gold") FROM table_39439 WHERE "Silver" < '0'
SELECT MAX("Gold") FROM "table_39439" WHERE "Silver" < '0'