ไก่งวงได้เหรียญเงินกี่เหรียญ ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
how many silver medals did turkey win ?It is not neccessary to use all the tables.
 table_203_812:  id [ number]  "rank" [ number]  "nation" [ text]  "gold" [ number]  "silver" [ number]  "bronze" [ number]  "total" [ number] 
SELECT "silver" FROM table_203_812 WHERE "nation" = 'turkey'