Notes ใดหลังปี 1983 มีตำแหน่งที่ 18?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What Notes after 1983 have a Position of 18th?It is not neccessary to use all the tables.
 table_36008:  "Year" [ real]  "Competition" [ text]  "Venue" [ text]  "Position" [ text]  "Notes" [ text] 
SELECT "Notes" FROM table_36008 WHERE "Year" > '1983' AND "Position" = '18th'