user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Competition record' regarding 'Christian Reif'
Table Content:
| Year | Competition | Venue | Position | Notes |
| --- | --- | --- | --- | --- |
| Representing Germany | Representing Germany | Representing Germany | Representing Germany | Representing Germany |
| 2007 | European Indoor Championships | Birmingham, United Kingdom | 14th (q) | 7.58 m |
| 2007 | World Championships | Osaka, Japan | 9th | 7.95 m |
| 2009 | DécaNation | Paris, France | 1st | 8.18 m |
| 2010 | World Indoor Championships | Doha, Qatar | 5th | 7.86 m |
| 2010 | European Championships | Barcelona, Spain | 1st | 8.47 m |
| 2011 | World Championships | Daegu, South Korea | 7th | 8.19 m |
| 2012 | Olympic Games | London, United Kingdom | 13th (q) | 7.92 m |
| 2013 | European Indoor Championships | Gothenburg, Sweden | 3rd | 8.07 m |
| 2013 | World Championships | Moscow, Russia | 6th | 8.22 m |
| 2014 | World Indoor Championships | Sopot, Poland | 8th | 7.75 m |
| 2014 | European Championships | Zürich, Switzerland | 8th | 7.95 m |


Question
What's Christian Reif's best record in 2010?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Christian Reif finished with 8.47 metres, achieved during the 2010 European Championships, in which he won the gold medal."]