CREATE TABLE table_name_72 (gold NUMBER, total VARCHAR2, bronze VARCHAR2)

What is the sum of gold medals with a total of 12 medals and less than 4 bronze medals?
SELECT SUM(gold) FROM table_name_72 WHERE total = 12 AND bronze < 4
SELECT SUM("gold") FROM "table_name_72" WHERE "bronze" < 4 AND "total" = 12