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:
| Year | Chart | Track | Peak | Weeks on Chart |
| --- | --- | --- | --- | --- |
| 2000.0 | Billboard Hot Latin Songs | Quiéreme | 3.0 | 20.0 |
| 2000.0 | Billboard Latin Pop Airplay | Quiéreme | 2.0 | 23.0 |
| 2000.0 | Billboard Latin Regional Mexican Airplay | Quiéreme | 37.0 | 3.0 |
| 2000.0 | Billboard Latin Tropical/Salsa Airplay | Quiéreme | 5.0 | 13.0 |
| 2000.0 | Billboard Bubbling Under Hot 100 Singles | Quiéreme | 17.0 | 6.0 |
| 2000.0 | Billboard Latin Tropical/Salsa Airplay | Si Te Vas | 7.0 | 15.0 |
| 2000.0 | Billboard Hot Latin Songs | Si Te Vas | 4.0 | 13.0 |
| 2000.0 | Billboard Latin Pop Airplay | Si Te Vas | 2.0 | 26.0 |
| 2000.0 | Billboard Latin Pop Airplay | Agua De Mar | 26.0 | 7.0 |
Question:
Name the total number of weeks for si te vas and peak less than 7 and year less than 2000
Answer:
0.0