เสาใดมีการแข่งขันที่เล็กกว่า 4?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What Poles have Races smaller than 4?It is not neccessary to use all the tables.
 table_58629:  "Season" [ real]  "Series" [ text]  "Team" [ text]  "Races" [ real]  "Wins" [ real]  "Poles" [ real]  "Podiums" [ real]  "Points" [ real]  "Position" [ text] 
SELECT AVG("Poles") FROM table_58629 WHERE "Races" < '4'