user
Instruction
Answer the question based on the provided table.


Table
Table Title: 1956 Winter Olympics
Table Content:
| Rank | Nation | Gold | Silver | Bronze | Total |
| --- | --- | --- | --- | --- | --- |
| 1 | Soviet Union | *7* | 3 | 6 | 16 |
| 2 | Austria | 4 | 3 | 4 | 11 |
| 3 | Finland | 3 | 3 | 1 | 7 |
| 4 | Switzerland | 3 | 2 | 1 | 6 |
| 5 | Sweden | 2 | 4 | 4 | 10 |
| 6 | United States | 2 | 3 | 2 | 7 |
| 7 | Norway | 2 | 1 | 1 | 4 |
| 8 | Italy | 1 | 2 | 0 | 3 |
| 9 | Germany | 1 | 0 | 1 | 2 |
| 10 | Canada | 0 | 1 | 2 | 3 |


Question
what was the total difference in medal counts between united states and canada?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["4"]