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 | Common | Population | Area (km 2 ) | Density (inhabitants/km 2 ) | Altitude (mslm) |
| --- | --- | --- | --- | --- | --- |
| 1st | Novara | 105024.0 | 103.02 | 1019.5 | 162.0 |
| 2nd | Borgomanero | 21518.0 | 32.36 | 665 | 307.0 |
| 3rd | Trecate | 20190.0 | 38.38 | 526.1 | 136.0 |
| 4th | Galliate | 15412.0 | 29.54 | 521.7 | 154.0 |
| 5th | Arona | 14547.0 | 14.90 | 976.3 | 212.0 |
| 6th | Oleggio | 13616.0 | 37.8 | 360.2 | 232.0 |
| 7th | Cameri | 10878.0 | 39.65 | 274.4 | 161.0 |
Question:
Where does the common of Galliate rank in population?
Answer:
4th