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:
| District | District Headquarters | Area (km 2 .) | Population 1991 Census | Population 2001 Census |
| --- | --- | --- | --- | --- |
| Balangir | Balangir | 6575.0 | 1230938.0 | 1335760.0 |
| Bargarh | Bargarh | 5837.0 | 1207172.0 | 1345601.0 |
| Baudh (Boudh) | Baudh | 3098.0 | 317622.0 | 373038.0 |
| Debagarh (Deogarh) | Debagarh | 2940.0 | 234238.0 | 274095.0 |
| Jharsuguda | Jharsuguda | 2081.0 | 446726.0 | 509056.0 |
| Kalahandi | Bhawanipatna | 7920.0 | 1130903.0 | 1334372.0 |
| Nuapada | Nuapada | 3852.0 | 469482.0 | 530524.0 |
| Sambalpur | Sambalpur | 6675.0 | 809017.0 | 928889.0 |
| Subarnapur | Sonepur | 2337.0 | 476815.0 | 540659.0 |
| Sundargarh | Sundargarh | 9712.0 | 1573617.0 | 1829412.0 |
Question:
What is the number of Population 2001 Census that has 476,815 in Population 1991 Census?
Answer:
540659.0