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:
| State | Type | Name | Title | Royal house | From |
| --- | --- | --- | --- | --- | --- |
| Cai | Sovereign | Wu | Marquis | Ji | 863 BC |
| Cai | Sovereign | Yi | Marquis | Ji | 837 BC |
| Cao | Sovereign | Yi | Count | — | 864 BC |
| Cao | Sovereign | You | Count | — | 835 BC |
| Chen | Sovereign | You | Duke | — | 854 BC |
| Chen | Sovereign | Li | Duke | — | 831 BC |
| Chu | Sovereign | Xiong Yong | Viscount | Mi | 846 BC |
| Chu | Sovereign | Xiong Yan the younger | Viscount | Mi | 837 BC |
| Jin | Sovereign | Xi | Marquis | Ji | 840 BC |
| Lu | Sovereign | Shen | Duke | Ji | 854 BC |
| Qi | Sovereign | Wu | Duke | Jiang | 850 BC |
| Qin | Sovereign | Qin Zhong | Ruler | Ying | 845 BC |
| Song | Sovereign | Xi | Duke | — | 858 BC |
| Song | Sovereign | Hui | Duke | — | 830 BC |
| Wey | Sovereign | Li | Marquis | — | 855 BC |
| Yan | Sovereign | Hui | Marquis | — | 864 BC |
Question:
Xiong Yan the Younger of the house of Mi ruled from what year?
Answer:
837 BC