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:
| Tour | Mens singles | Womens singles | Mens doubles | Womens doubles | Mixed doubles |
| --- | --- | --- | --- | --- | --- |
| Korea Super Series | Lee Chong Wei | Wang Shixian | Jung Jae-sung Lee Yong-dae | Cheng Shu Zhao Yunlei | He Hanbin Yu Yang |
| Malaysia Super Series | Lee Chong Wei | Wang Xin | Koo Kien Keat Tan Boon Heong | Du Jing Yu Yang | Tao Jiaming Zhang Yawen |
| All England Super Series | Lee Chong Wei | Tine Rasmussen | Lars Paaske Jonas Rasmussen | Du Jing Yu Yang | Zhang Nan Zhao Yunlei |
| Swiss Super Series | Chen Jin | Wang Shixian | Ko Sung-hyun Yoo Yeon-seong | Tian Qing Yu Yang | Lee Yong-dae Lee Hyo-jung |
| Singapore Super Series | Sony Dwi Kuncoro | Saina Nehwal | Fang Chieh-min Lee Sheng-mu | Shinta Mulia Sari Yao Lei | Thomas Laybourn Kamilla Rytter Juhl |
| Indonesia Super Series | Lee Chong Wei | Saina Nehwal | Fang Chieh-min Lee Sheng-mu | Lee Hyo-jung Kim Min-jung | Robert Mateusiak Nadieżda Kostiuczyk |
| China Masters Super Series | Lin Dan | Wang Xin | Cai Yun Fu Haifeng | Wang Xiaoli Yu Yang | Tao Jiaming Tian Qing |
| Japan Super Series | Lee Chong Wei | Jiang Yanjiao | Cai Yun Fu Haifeng | Wang Xiaoli Yu Yang | Zhang Nan Zhao Yunlei |
| Denmark Super Series | Jan Ø. Jørgensen | Wang Yihan | Mathias Boe Carsten Mogensen | Miyuki Maeda Satoko Suetsuna | Thomas Laybourn Kamilla Rytter Juhl |
| French Super Series | Taufik Hidayat | Wang Yihan | Mathias Boe Carsten Mogensen | Duanganong Aroonkesorn Kunchala Voravichitchaikul | Sudket Prapakamol Saralee Thungthongkam |
| China Open Super Series | Chen Long | Jiang Yanjiao | Jung Jae-sung Lee Yong-dae | Cheng Shu Zhao Yunlei | Tao Jiaming Tian Qing |
| Hong Kong Super Series | Lee Chong Wei | Saina Nehwal | Ko Sung-hyun Yoo Yeon-seong | Wang Xiaoli Yu Yang | Joachim Fischer Nielsen Christinna Pedersen |
Question:
Who were the womens doubles when the mixed doubles were zhang nan zhao yunlei on the tour all england super series?
Answer:
Du Jing Yu Yang