ใครคือผู้สมัครเมื่อดำรงตำแหน่งคือ ed derwinski?ไม่จำเป็นต้องใช้ตารางทั้งหมด
who were the candidates when the incumbent was ed derwinski?It is not neccessary to use all the tables.
 table_1341718_14:  (candidates [ VARCHAR ] incumbent [ VARCHAR) ]
SELECT candidates FROM table_1341718_14 WHERE incumbent = "Ed Derwinski"