ปีใดที่ชนะงานเป็นครั้งแรกไม่จำเป็นต้องใช้ตารางทั้งหมด
what year was first time to win an eventIt is not neccessary to use all the tables.
 table_203_270:  id [ number]  "year" [ number]  "competition" [ text]  "venue" [ text]  "position" [ text]  "event" [ text]  "notes" [ text] 
SELECT "year" FROM table_203_270 WHERE "position" = 1 ORDER BY "year" LIMIT 1