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:
| Rank | Name | Nationality | Time |
| --- | --- | --- | --- |
|  | Sule Utura | Ethiopia | 15:38.70 |
|  | Emebet Anteneh Mengistu | Ethiopia | 15:40.13 |
|  | Pauline Korikwiang | Kenya | 15:40.93 |
| 4 | Hyvin Jepkemoi | Kenya | 15:42.64 |
| 5 | Esther Ndiema | Kenya | 15:43.48 |
| 6 | Goytetom Gebresilasse | Ethiopia | 15:49.90 |
| 7 | Angeline Myiramsabimana | Rwanda | 16:24.04 |
| 8 | Mekdes Weldu | Eritrea | 16:42.69 |
| 9 | Thandiwe Nyathy | Zimbabwe | 17:13.00 |
Question:
how many rwandans competed?
Answer:
1