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 | Nation | Gold | Silver | Bronze | Total |
| --- | --- | --- | --- | --- | --- |
| 1 | Great Britain (GBR) | 2 | 1 | 2 | 5 |
| 2 | Brazil (BRA) | 2 | 0 | 0 | 2 |
| 3 | Spain (ESP) | 1 | 2 | 0 | 3 |
| 4 | Austria (AUT) | 1 | 1 | 0 | 2 |
| 4 | Greece (GRE) | 1 | 1 | 0 | 2 |
| 4 | United States (USA) | 1 | 1 | 0 | 2 |
| 7 | France (FRA) | 1 | 0 | 1 | 2 |
| 7 | Israel (ISR) | 1 | 0 | 0 | 1 |
| 7 | Norway (NOR) | 1 | 0 | 0 | 1 |
| 10 | Ukraine (UKR) | 0 | 2 | 0 | 2 |
| 11 | China (CHN) | 0 | 1 | 0 | 1 |
| 11 | Czech Republic (CZE) | 0 | 1 | 0 | 1 |
| 11 | Canada (CAN) | 0 | 1 | 0 | 1 |
| 14 | Denmark (DEN) | 0 | 0 | 2 | 2 |
| 15 | Argentina (ARG) | 0 | 0 | 1 | 1 |
| 15 | Italy (ITA) | 0 | 0 | 1 | 1 |
| 15 | Japan (JPN) | 0 | 0 | 1 | 1 |
| 15 | Poland (POL) | 0 | 0 | 1 | 1 |
| 15 | Slovenia (SLO) | 0 | 0 | 1 | 1 |
| 15 | Sweden (SWE) | 0 | 0 | 1 | 1 |
| Total |  | 11 | 11 | 11 | 33 |
Question:
how many countries won at least 1 gold and 1 silver medal?
Answer:
5