ฐานข้อมูล football_data มีกี่ลีกดิวิชั่น?ไม่จำเป็นต้องใช้ตารางทั้งหมด
How many league division does football_data database has?It is not neccessary to use all the tables.
 betfront:  year [ number]  datetime [ time]  country [ text]  competion [ text]  match [ text]  home_opening [ number]  draw_opening [ number]  away_opening [ number]  home_closing [ number]  draw_closing [ number]  away_closing [ number] 
SELECT COUNT(div) FROM football_data