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 | Location | Total Passengers | Annual change | Capacity in use |
| --- | --- | --- | --- | --- |
| 1.0 | São Paulo | 13611227.0 | 12.8% | 113.4% |
| 2.0 | São Paulo | 12940193.0 | 11.7% | 78.4% |
| 3.0 | Brasília | 9926786.0 | 45.1% | 134.1% |
| 4.0 | Rio de Janeiro | 6024930.0 | 30.4% | 40.2% |
| 5.0 | Rio de Janeiro | 4887306.0 | 9.2% | 152.7% |
| 6.0 | Salvador | 4145371.0 | 20.0% | 69.1% |
| 7.0 | Porto Alegre | 3215545.0 | 11.6% | 52.7% |
| 8.0 | Belo Horizonte | 3194715.0 | 7.5% | 213.0% |
| 9.0 | Recife | 3173672.0 | 16.1% | 63.5% |
| 10.0 | Curitiba | 2840349.0 | 13.0% | 81.2% |
| 11.0 | Fortaleza | 2317869.0 | 24.0% | 77.3% |
| 12.0 | Florianópolis | 1382577.0 | 7.8% | 125.7% |
| 13.0 | Manaus | 1368968.0 | 10.3% | 75.4% |
| 14.0 | Belém | 1330965.0 | 13.5% | 49.3% |
| 15.0 | Vitória | 1246222.0 | 6.1% | 222.5% |
Question:
In Which rank was there a location of porto alegre?
Answer:
7.0