CREATE TABLE table_203_175 (id DECIMAL, "rank" TEXT, "nation" TEXT, "gold" DECIMAL, "silver" DECIMAL, "bronze" DECIMAL, "total" DECIMAL)

what was the total number of medals won by united states ?
SELECT "total" FROM table_203_175 WHERE "nation" = 'united states'
SELECT "total" FROM "table_203_175" WHERE "nation" = 'united states'