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:
| Name | Hanzi | Hanyu Pinyin | Population (2004 est.) | Area (km²) | Density (/km²) |
| --- | --- | --- | --- | --- | --- |
| City proper | City proper | City proper | City proper | City proper | City proper |
| Haigang District | 海港区 | Hǎigǎng Qū | 550,000 | 121 | 4,545 |
| Suburban | Suburban | Suburban | Suburban | Suburban | Suburban |
| Shanhaiguan District | 山海关区 | Shānhǎiguān Qū | 140,000 | 192 | 729 |
| Beidaihe District | 北戴河区 | Běidàihé Qū | 70,000 | 70 | 1,000 |
| Rural | Rural | Rural | Rural | Rural | Rural |
| Changli County | 昌黎县 | Chānglí Xiàn | 550,000 | 1,184 | 465 |
| Funing County | 抚宁县 | Fǔníng Xiàn | 520,000 | 1,646 | 316 |
| Lulong County | 卢龙县 | Lúlóng Xiàn | 420,000 | 945 | 444 |
| Qinglong Manchu Autonomous County | 青龙满族 自治县 | Qīnglóng Mǎnzú Zìzhìxiàn | 520,000 | 3,309 | 157 |
Question:
Which Hanzi has a suburban population in 2004?
Answer:
Suburban