ตำแหน่งของทีมโดยจบสกอร์เฉลี่ย 21.5 คืออะไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What was the position of the team with an average finish of 21.5?It is not neccessary to use all the tables.
 table_24646:  "Year" [ real]  "Starts" [ real]  "Wins" [ real]  "Poles" [ real]  "Winnings" [ text]  "Position" [ text]  "Team(s)" [ text] 
SELECT "Position" FROM table_24646 WHERE "Avg. Finish" = '21.5'