CREATE TABLE table_203_308 (id DECIMAL, "athlete" TEXT, "nation" TEXT, "olympics" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

in total , how many athlete medal leaders are from the united states ?
SELECT COUNT("athlete") FROM table_203_308 WHERE "nation" = 'united states'
SELECT COUNT("athlete") FROM "table_203_308" WHERE "nation" = 'united states'