คลาสไหนมีอันดับ 5 ไม่จำเป็นต้องใช้ตารางทั้งหมด
Which class has a rank of 5th?It is not neccessary to use all the tables.
 table_39276:  "Year" [ real]  "Class" [ text]  "Team" [ text]  "Points" [ real]  "Rank" [ text]  "Wins" [ real] 
SELECT "Class" FROM table_39276 WHERE "Rank" = '5th'