CREATE TABLE table_15104 ("Nation" TEXT, "Gold" FLOAT, "Silver" FLOAT, "Bronze" FLOAT, "Total" FLOAT)

What is the total sum of silver metals for all countries with more than 2 Bronze medals?
SELECT SUM("Silver") FROM table_15104 WHERE "Total" > '2' AND "Bronze" > '2'
SELECT SUM("Silver") FROM "table_15104" WHERE "Bronze" > '2' AND "Total" > '2'