Harold Earthman ดำรงตำแหน่งในเขตใด? ไม่จำเป็นต้องใช้ตารางทั้งหมด
What district was Harold Earthman the incumbent in?It is not neccessary to use all the tables.
 table_1342233_42:  (district [ VARCHAR ] incumbent [ VARCHAR) ]
SELECT district FROM table_1342233_42 WHERE incumbent = "Harold Earthman"