Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Province of Silla | Administrative district | Pre-1009 province | Post-1009 province | Modern equivalent |
| --- | --- | --- | --- | --- |
| Hanju | Gyeonggi ( 京畿 ) | Gyeonggi | Gyeonggi | Kaesŏng |
| Hanju | Yangju -mok( 揚州牧 ) | Gwannae -do | Seohae -do | Hwanghae |
| Hanju | Hwangju -mok( 黃州牧 ) | Gwannae -do | Seohae -do | North Hwanghae |
| Hanju | Haeju -mok( 海州牧 ) | Gwannae -do | Seohae -do | South Hwanghae |
| Hanju | Gwangju -mok( 廣州牧 ) | Gwannae -do | Yanggwang -do | Gyeonggi |
| Hanju | Chungju -mok( 忠州牧 ) | Jungwon -do | Yanggwang -do | North Chungcheong |
| Ungju | Cheongju -mok | Jungwon -do | Yanggwang -do | North Chungcheong |
| Ungju | Gongju -mok | Hanam -do | Yanggwang -do | South Chungcheong |
| Jeonju | Jeonju -mok( 全州牧 ) | Gangnam -do | Jeolla -do | North Jeolla |
| Muju | Naju -mok | Haeyang -do | Jeolla -do | South Jeolla |
| Muju | Seungju | Haeyang -do | Jeolla -do | South Jeolla |
| Sangju | Sangju -mok | Yeongnam -do | Gyeongsang -do | North Gyeongsang |
| Gangju | Jinju -mok | Sannam -do | Gyeongsang -do | Western South Gyeongsang |
| Yangju | Jinju -mok | Yeongdong -do | Gyeongsang -do | Eastern South Gyeongsang |
| Sakju | — | Sakbang -do | Gyoju -do | Gangwon |
| Myeongju | — | Sakbang -do | Donggye | Gangwon |
| — | — | Paeseo -do | Bukgye | Pyeongan |
Question:
Which Pre-1009 province has a Post-1009 province of donggye?
Answer:
Sakbang -do