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:
| Date | Venue | Result | Win/ Loss/ Draw | Competition |
| --- | --- | --- | --- | --- |
| 2 March 2013 | New Laos National Stadium , Vientiane | 1–0 | W | 2014 AFC Challenge Cup qualification |
| 4 March 2013 | New Laos National Stadium , Vientiane | 1–0 | W | 2014 AFC Challenge Cup qualification |
| 6 March 2013 | New Laos National Stadium , Vientiane | 1–1 | D | 2014 AFC Challenge Cup qualification |
| 20 August 2013 | Afghanistan Football Federation Stadium , Kabul | 3-0 | W | International Friendly |
| 2 September 2013 | Halchowk Stadium , Kathmandu | 3-0 | W | 2013 SAFF Championship |
| 4 September 2013 | Halchowk Stadium , Kathmandu | 3-1 | W | 2013 SAFF Championship |
| 6 September 2013 | Dasarath Rangasala Stadium , Kathmandu | 0-0 | D | 2013 SAFF Championship |
| 8 September 2013 | Dasarath Rangasala Stadium , Kathmandu | 1-0 | W | 2013 SAFF Championship |
| 11 September 2013 | Dasarath Rangasala Stadium , Kathmandu | 2-0 | W | 2013 SAFF Championship |
Question:
When was the result 3-1?
Answer:
4 September 2013