Randy Lewis ขับรถปีไหน?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What year did Randy Lewis drive?It is not neccessary to use all the tables.
 table_23548160_1:  (year [ VARCHAR ] driver [ VARCHAR) ]
SELECT year FROM table_23548160_1 WHERE driver = "Randy Lewis"