user
Instruction
Answer the question based on the provided table.


Table
Table Title: Speed skating at the 1972 Winter Olympics
Table Content:
| Rank | Nation | Gold | Silver | Bronze | Total |
| --- | --- | --- | --- | --- | --- |
| 1 | Netherlands (NED) | 4 | 3 | 2 | 9 |
| 2 | United States (USA) | 2 | 1 | 1 | 4 |
| 3 | West Germany (FRG) | 2 | 0 | 0 | 2 |
| 4 | Norway (NOR) | 0 | 2 | 2 | 4 |
| 5 | Soviet Union (URS) | 0 | 1 | 2 | 3 |
| 6 | Sweden (SWE) | 0 | 1 | 1 | 2 |
|  | Total | 8 | 8 | 8 | 24 |


Question
in the 1972 olympics, how many more medals did west germany win in speed skating compared to sweden?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["0"]