อิตาลีได้เหรียญเงินไปกี่เหรียญ ?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
how many silver medals were won by italy ?It is not neccessary to use all the tables.
 table_204_727:  id [ number]  "rank" [ number]  "nation" [ text]  "gold" [ number]  "silver" [ number]  "bronze" [ number]  "total" [ number] 
SELECT "silver" FROM table_204_727 WHERE "nation" = 'italy'