จำนวนคะแนนต่ำสุดที่ Epperly Indy roadster ถืออยู่ในปี 1959 คือเท่าไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What is the lowest amount of points held by the Epperly Indy roadster in 1959?It is not neccessary to use all the tables.
 table_67407:  "Year" [ real]  "Entrant" [ text]  "Chassis" [ text]  "Engine" [ text]  "Points" [ real] 
SELECT MIN("Points") FROM table_67407 WHERE "Chassis" = 'epperly indy roadster' AND "Year" = '1959'