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:
| City | Hanzi | Hanyu Pinyin | Regional Population(2010) | GDP(2011)(billion yuan) |
| --- | --- | --- | --- | --- |
| Shanghai | 上海 | Shànghǎi | 23,019,148 | 1919.57 |
| Nanjing ( Jiangsu ) | 南京 | Nánjīng | 8,004,680 | 614.55 |
| Hangzhou ( Zhejiang ) | 杭州 | Hángzhōu | 8,700,400 | 701.18 |
| Suzhou ( Jiangsu ) | 苏州/ 蘇州 | Sūzhōu | 10,465,994 | 1071.7 |
| Ningbo ( Zhejiang ) | 宁波/ 寧波 | Níngbō | 7,605,689 | 601.05 |
| Wuxi ( Jiangsu ) | 无锡/ 無錫 | Wúxī | 6,372,624 | 688.02 |
| Nantong ( Jiangsu ) | 南通 | Nántōng | 7,282,835 | 408.02 |
| Shaoxing ( Zhejiang ) | 绍兴/ 紹興 | Shàoxīng | 4,912,200 | 329.12 |
| Changzhou ( Jiangsu ) | 常州 | Chángzhōu | 4,591,972 | 358.04 |
| Jinhua ( Zhejiang ) | 金华/ 金華 | Jīnhuá | 4,614,100 | 244.77 |
| Jiaxing ( Zhejiang ) | 嘉兴/ 嘉興 | Jiāxīng | 4,501,700 | 266.81 |
| Taizhou ( Zhejiang ) | 台州 | Tāizhōu | 5,968,800 | 279.49 |
| Yangzhou ( Jiangsu ) | 扬州/ 揚州 | Yángzhōu | 4,459,760 | 263.03 |
| Yancheng ( Jiangsu ) | 盐城 | Yánchéng | 7,260,240 | 277.13 |
| Taizhou ( Jiangsu ) | 泰州 | Tàizhōu | 4,618,558 | 242.26 |
| Zhenjiang ( Jiangsu ) | 镇江/ 鎮江 | Zhènjiāng | 3,113,384 | 231.04 |
| Huzhou ( Zhejiang ) | 湖州 | Húzhōu | 2,893,500 | 151.88 |
| Huai'an ( Jiangsu ) | 淮安 | Huái'ān | 4,799,889 | 169.0 |
| Zhoushan ( Zhejiang ) | 舟山 | Zhōushān | 1,121,300 | 76.53 |
| Quzhou ( Zhejiang ) | 衢州 | Qúzhōu | 2,456,100 | 89.03 |
| Ma'anshan ( Anhui ) | 马鞍山/ 馬鞍山 | Mǎ'ānshān | 1,366,302 | 114.42 |
| Hefei ( Anhui ) | 合肥 | Héféi | 7,457,466 including Chaohu City and Lujiang County | 363.66 |
Question:
Which Hanzi has a Regional Population of 4,591,972 in 2010?
Answer:
常州