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:
| Department | Total Deputies | Uninominal Deputies | Plurinominal Deputies | Special Indigenous\nor Campesino Deputies | Senators |
| --- | --- | --- | --- | --- | --- |
| La Paz | 29 | 14 | 14 | 1 | 4 |
| Santa Cruz | 28 | 14 | 13 | 1 | 4 |
| Cochabamba | 19 | 9 | 9 | 1 | 4 |
| Potosí | 13 | 7 | 6 | 0 | 4 |
| Chuquisaca | 10 | 5 | 5 | 0 | 4 |
| Oruro | 9 | 4 | 4 | 1 | 4 |
| Tarija | 9 | 4 | 4 | 1 | 4 |
| Beni | 8 | 4 | 3 | 1 | 4 |
| Pando | 5 | 2 | 2 | 1 | 4 |
| Total | 130 | 63 | 60 | 7 | 36 |
Question:
what is the difference in number between the uninominal deputies from potosí and beni?
Answer:
3