user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'International competitions' regarding 'Dietmar Haaf'
Table Content:
| Year | Competition | Venue | Position | Notes |
| --- | --- | --- | --- | --- |
| Representing West Germany | Representing West Germany | Representing West Germany | Representing West Germany | Representing West Germany |
| 1986 | World Junior Championships | Athens, Greece | 1st | 7.93 m (wind: +0.7 m/s) |
| 1986 | European Championships | Stuttgart, West Germany | 10th | 7.48 m (wind: -1.1 m/s) |
| 1987 | World Championships | Rome, Italy | 26th (q) | 7.51 m |
| 1988 | European Indoor Championships | Budapest, Hungary | 5th | 7.79 m |
| 1989 | European Indoor Championships | The Hague, Netherlands | 5th | 7.96 m |
| 1989 | World Indoor Championships | Budapest, Hungary | 2nd | 8.17 m |
| 1990 | European Indoor Championships | Glasgow, United Kingdom | 1st | 8.11 m |
| 1990 | European Championships | Split, Yugoslavia | 1st | 8.25 m (wind: 0.0 m/s) PB |
| Representing Germany | Representing Germany | Representing Germany | Representing Germany | Representing Germany |
| 1991 | World Indoor Championships | Seville, Spain | 1st | 8.15 m |
| 1991 | World Championships | Tokyo, Japan | 4th | 8.22 m |
| 1992 | European Indoor Championships | Genoa, Italy | 13th | 7.69 m |
| 1992 | Olympic Games | Barcelona, Spain | 14th (q) | 7.85 m |
| 1994 | European Indoor Championships | Paris, France | 1st | 8.15 m |
| 1994 | European Championships | Helsinki, Finland | 23rd (q) | 7.55 m (wind: +0.3 m/s) |


Question
What did Dietmar Haaf achieve at the 1990 European Championships?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Dietmar Haaf won the gold medal at the 1990 European Championships in Split, with a personal best of 8.25 metres."]