user
Instruction
Answer the question based on the provided table.


Table
Table Title: Health in Ethiopia
Table Content:
| Region | Physician (GP & specialist) | Physician : Population Ratio | Health Officer | HO : Population Ratio | All Nurses | Nurse : Population Ratio | Mid-wives | Mid Wife: Population Ratio | HEW* | HEW : Population Ratio |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Tigray | 101 | 1:44,880 | 188 | 1:24,111 | 2,332 | 1:1,944 | 185 | 1:24,502 | 1,433 | 1:3,163 |
| Afar | 15 | 1:98,258 | 29 | 1:50,823 | 185 | 1:7,967 | − | − | 572 | 1:2,577 |
| Amhara | 304 | 1:58,567 | 434 | 1:41,024 | 3,790 | 1:4,698 | 212 | 1:83,983 | 7,471 | 1:2,383 |
| Oromia | 378 | 1:76,075 | 448 | 1:64,189 | 5,040 | 1:5,706 | 287 | 1:100,197 | 13856 | 1:2,075 |
| Somalia | 71 | 1:65,817 | 12 | 1:389,415 | 314 | 1:14,882 | 45 | 1:103,844 | 1,427 | 1:3,275 |
| Ben-Gumuz | 12 | 1:59,309 | 42 | 1:16,945 | 452 | 1:1,575 | 37 | 1:19,235 | 499 | 1:1,426 |
| SNNPR | 242 | 1:65,817 | 220 | 1:72,398 | 3,980 | 1:4,002 | 316 | 1:50,404 | 7,915 | 1:2,012 |
| Gambella | 13 | 1:25,585 | 13 | 1:25,585 | 91 | 1:3,655 | 4 | 1:83,150 | 457 | 1:728 |
| Harari | 29 | 1:6,655 | 31 | 1:6,226 | 276 | 1:699 | 29 | 1:6,655 | 47 | 1:4,106 |
| Addis Ababa | 934 | 1:3,056 | 170 | 1:16,791 | 3,377 | 1:845 | 244 | 1:11,699 | NA | - |
| Diredawa | 53 | 1:6,796 | 19 | 1:18,957 | 272 | 1:1,324 | 20 | 1:18,009 | 142 | 1:2,537 |


Question
which region has the least number of health officers?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["Somalia"]