ออกอากาศความยาว 60 นาทีเมื่อใด?ไม่จำเป็นต้องใช้ทุกโต๊ะ
When did the length of 60 minutes air?It is not neccessary to use all the tables.
 table_15117:  "Title" [ text]  "Length" [ text]  "Writer" [ text]  "Director" [ text]  "Airdate" [ text] 
SELECT "Airdate" FROM table_15117 WHERE "Length" = '60 minutes'