CREATE TABLE table_name_26 (total INT, bronze VARCHAR, gold VARCHAR)

What is the total number of medals won by nations that had 7 bronze medals and more than 18 gold medals?
SELECT SUM(total) FROM table_name_26 WHERE bronze = 7 AND gold > 18
SELECT SUM("total") FROM "table_name_26" WHERE "bronze" = 7 AND "gold" > 18