CREATE TABLE table_203_576 (id DECIMAL, "rank" DECIMAL, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

how many countries won more silver medals than japan ?
SELECT COUNT("nation") FROM table_203_576 WHERE "silver" > (SELECT "silver" FROM table_203_576 WHERE "nation" = 'japan')
SELECT COUNT("nation") FROM "table_203_576" WHERE "silver" > (SELECT "silver" FROM "table_203_576" WHERE "nation" = 'japan')