Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Tournament | Venue | Result | Event |
| --- | --- | --- | --- | --- |
| 2005.0 | World Championships | Helsinki , Finland | DSQ | 50 km |
| 2006.0 | European Championships | Gothenburg , Sweden | 15th | 50 km |
| 2006.0 | World Race Walking Cup | La Coruña , Spain | 11th | 20 km |
| 2007.0 | World Championships | Osaka, Japan | 18th | 50 km |
| 2008.0 | World Race Walking Cup | Cheboksary , Russia | 19th | 50 km |
| 2009.0 | European Race Walking Cup | Metz, France | 11th | 50 km |
| 2009.0 | World Championships | Berlin, Germany | 28th | 50 km |
| 2010.0 | World Race Walking Cup | Chihuahua, Mexico | 26th | 50 km |
Question:
What event was held in Chihuahua, Mexico?
Answer:
50 km