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:
| Military deaths | Civilian deaths | Total deaths (not including foreigners) | Military and/or Civilian wounded | Total casualties |
| --- | --- | --- | --- | --- |
| 4,000 | 2,400 | 6,373 | 15,000 | 21,400 |
| Unknown | Unknown | 400-967 | 900 -1,300 | 1,300–2,267 |
| Unknown | Unknown | 178 | 1,574+ | 1,752+ |
| Unknown | Unknown | 567 | Unknown | Unknown |
| 231 | None | 231 | 899 | 1,130 |
| 1 | 0 | 1 | 10 | 11 |
| 776 | None | 776 | 4,517 | 5,293 |
| 1,424 | 127 | 1,551 | 2,700 | 4,251+ |
| unknown | unknown | unknown | unknown | unknown |
| 2,656 | None | 2,656 | 9,000 | 11,656 |
| 675 | 50 | 725 | 6,500 | 7,225 |
| 256 | 90 | 636 | 1,200 | 1,836 |
| 60 | 100 | 160 | 500 | 660 |
| 170 | 99 | 269 | 400 | 669 |
| 332 | 731 | 1,063 | 8,800 | 9,863 |
| 16 | 7 | 23 | 19 | 42 |
| 121 | 44 | 165 | 2,067 | 2,237 |
| 10 (4 by friendly fire ) | 3 | 13 | 518 | 531 |
| 13 | 33 | 46 | 312 | 358+ |
| 1 | 0 | 1 | 1 | 2 |
Question:
How many members of the military died in the conflict that had a total of 531 casualties?
Answer:
10 (4 by friendly fire )