CREATE TABLE table_203_165 (id DECIMAL, "rank" DECIMAL, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

how many combined silver medals did china , india , and japan earn ?
SELECT SUM("silver") FROM table_203_165 WHERE "nation" IN ('china', 'india', 'japan')
SELECT SUM("silver") FROM "table_203_165" WHERE "nation" IN ('china', 'india', 'japan')