ตั้งชื่อรถไฟที่สร้างขึ้นตาม ss & iw ไม่จำเป็นต้องใช้ตารางทั้งหมด
name a train that was built after ss & iw 's .It is not neccessary to use all the tables.
 table_204_77:  id [ number]  "number" [ text]  "builder" [ text]  "type" [ text]  "date" [ text]  "notes" [ text] 
SELECT "number" FROM table_204_77 WHERE "date" > (SELECT "date" FROM table_204_77 WHERE "builder" = 'ss&iw') ORDER BY "date" LIMIT 1