สนามแข่งรถ Pocono International Raceway มีความยาวเท่าใด? ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What are the lengths hosted by Pocono International Raceway?It is not neccessary to use all the tables.
 table_22669816_1:  (length [ VARCHAR ] track [ VARCHAR) ]
SELECT length FROM table_22669816_1 WHERE track = "Pocono International Raceway"