CREATE TABLE table_204_761 (id NUMBER, "rank" NUMBER, "nation" CLOB, "gold" NUMBER, "silver" NUMBER, "bronze" NUMBER, "total" NUMBER)

what is the total number of silver medals won by russia , norway , and sweden combined ?
SELECT SUM("silver") FROM table_204_761 WHERE "nation" IN ('russia', 'norway', 'sweden')
SELECT SUM("silver") FROM "table_204_761" WHERE "nation" IN ('russia', 'norway', 'sweden')