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:
| English name | Original name | Area in km² | Population at 2010 Census | Number of settlements and villages |
| --- | --- | --- | --- | --- |
| North Bogor | Kecamatan Bogor Utara | 17.72 | 170320.0 | 8.0 |
| South Bogor | Kecamatan Bogor Selatan | 30.81 | 180745.0 | 16.0 |
| East Bogor | Kecamatan Bogor Timur | 10.15 | 94572.0 | 6.0 |
| West Bogor | Kecamatan Bogor Barat | 32.85 | 210450.0 | 16.0 |
| Central Bogor | Kecamatan Bogor Tengah | 8.13 | 102203.0 | 11.0 |
Question:
How many districts have an area of 17.72 KM2?
Answer:
1.0