user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Achievements' regarding 'Kjersti Plätzer'
Table Content:
| Year | Competition | Venue | Position | Event | Notes |
| --- | --- | --- | --- | --- | --- |
| Representing Norway | Representing Norway | Representing Norway | Representing Norway | Representing Norway | Representing Norway |
| 1986 | World Junior Championships | Athens, Greece | 5th | 5000m | 23:09.99 |
| 1986 | European Championships | Stuttgart, West Germany | 11th | 10 km | 48:28 |
| 1987 | World Race Walking Cup | New York City, United States | 17th | 10 km | 46:28 |
| 1994 | European Championships | Helsinki, Finland | 16th | 10 km | 46:10 |
| 1998 | European Championships | Budapest, Hungary | 9th | 10 km | 43:49 |
| 1999 | World Championships | Seville, Spain | 9th | 20 km | 1:32:42 |
| 2000 | European Race Walking Cup | Eisenhüttenstadt, Germany | 3rd | 20 km | 1:27:53 |
| 2000 | Olympic Games | Sydney, Australia | 2nd | 20 km | 1:29:33 |
| 2001 | European Race Walking Cup | Dudince, Slovakia | — | 20 km | DNF |
| 2001 | World Championships | Edmonton, Canada | — | 20 km | DSQ |
| 2002 | European Championships | Munich, Germany | — | 20 km | DSQ |
| 2003 | World Championships | Paris, France | — | 20 km | DSQ |
| 2004 | Olympic Games | Athens, Greece | 12th | 20 km | 1:30:49 |
| 2006 | European Championships | Gothenburg, Sweden | 4th | 20 km | 1:28:45 |
| 2007 | World Championships | Osaka, Japan | 4th | 20 km | 1:31:24 |
| 2008 | Olympic Games | Beijing, China | 2nd | 20 km | 1:27:07 |
| 2009 | World Championships | Berlin, Germany | — | 20 km | DSQ |


Question
How successful was Kjersti Plätzer in 2004 and 2007?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Kjersti Plätzer finished 12th in the 2004 Olympic Games in Athens and 4th in the 2007 World Championships in Osaka."]