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:
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
| --- | --- | --- | --- | --- |
| Mauritania | 1 - 0 | Algeria | 1 - 0 | 0 - 0 |
| Sierra Leone | 1 - 3 | Senegal | 1 - 1 | 0 - 2 |
| Somalia | 3 - 3 (3-5 PSO) | Kenya | 2 - 1 | 1 - 2 |
| Tanzania | walkover | Sudan | W/O | W/O |
| Lesotho | 1 - 2 | Zimbabwe | 1 - 0 | 0 - 2 |
| Madagascar | walkover | Mauritius | W/O | W/O |
| Malawi | 2 - 2 (3-4 AGR) | Burundi | 1 - 2 | 1 - 0 |
| DR Congo | 1 - 0 | Uganda | 0 - 0 | 1 - 0 |
| Namibia | 1 - 2 | Botswana | 1 - 1 | 0 - 1 |
| Réunion | 4 - 3 | Mozambique | 2 - 2 | 2 - 1 |
| Guinea | 4 - 2 | Liberia | 3 - 2 | 1 - 0 |
| Niger | 2 - 2 (4-3 PSO) | Libya | 2 - 0 | 0 - 2 |
Question:
What was the aggregate for the match with Sierra Leone as team 1?
Answer:
1 - 3