user
Instruction
Answer the question based on the provided table.


Table
Table Title: Carlo Janka
Table Content:
| Season | Age | Overall | Slalom | Giant\nSlalom | Super G | Downhill | Combined |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2007 | 20 | 130 | – | 40 | – | – | — |
| 2008 | 21 | 64 | – | 28 | 46 | 46 | 31 |
| 2009 | 22 | 7 | – | 6 | 16 | 16 | 1 |
| 2010 | 23 | 1 | – | 2 | 6 | 2 | 2 |
| 2011 | 24 | 3 | – | 5 | 6 | 9 | 6 |
| 2012 | 25 | 24 | – | 16 | 28 | 17 | 19 |
| 2013 | 26 | 48 | – | 48 | 27 | 38 | 4 |
| 2014 | 27 | 18 | – | 25 | 14 | 20 | 11 |
| Season | Date | Location | Race |  |  |  |  |
| 2009 | 13 Dec 2008 | Val d'Isère, France | Giant slalom |  |  |  |  |
| 2009 | 16 Jan 2009 | Wengen, Switzerland | Super Combined |  |  |  |  |
| 2010 | 4 Dec 2009 | Beaver Creek, USA | Super Combined |  |  |  |  |
| 2010 | 5 Dec 2009 | Beaver Creek, USA | Downhill |  |  |  |  |
| 2010 | 6 Dec 2009 | Beaver Creek, USA | Giant Slalom |  |  |  |  |
| 2010 | 16 Jan 2010 | Wengen, Switzerland | Downhill |  |  |  |  |
| 2010 | 10 Mar 2010 | Garmisch, Germany | Downhill |  |  |  |  |
| 2010 | 12 Mar 2010 | Garmisch, Germany | Giant Slalom |  |  |  |  |
| 2011 | 5 Mar 2011 | Kranjska Gora, Slovenia | Giant Slalom |  |  |  |  |


Question
in which season did janka only compete in one event?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["2011"]