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:
| Official Name | Status | Area km 2 | Population | Census Ranking |
| --- | --- | --- | --- | --- |
| Alnwick | Parish | 734.57 | 5922.0 | 620 of 5,008 |
| Northesk | Parish | 3352.99 | 2352.0 | 1,198 of 5,008 |
| Hardwicke | Parish | 278.6 | 2329.0 | 1,205 of 5,008 |
| Blackville | Parish | 823.4 | 2215.0 | 1,241 of 5,008 |
| Southesk | Parish | 2459.43 | 1833.0 | 1,422 of 5,008 |
| Glenelg | Parish | 504.8 | 1610.0 | 1,547 of 5,008 |
| Ludlow | Parish | 1016.66 | 1568.0 | 1,557 of 5,008 |
| Newcastle | Parish | 577.47 | 1220.0 | 1,829 of 5,008 |
| Rogersville | Parish | 326.36 | 1213.0 | 1,836 of 5,008 |
| Derby | Parish | 61.02 | 998.0 | 2,075 of 5,008 |
| Nelson | Parish | 353.8 | 935.0 | 2,167 of 5,008 |
| Chatham | Parish | 22.26 | 522.0 | 2,948 of 5,008 |
| Blissfield | Parish | 1240.26 | 501.0 | 3,004 of 5,008 |
Question:
Can you tell me the sum of Area km 2 that has the Official Name of glenelg?
Answer:
504.8