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 | Competition | Venue | Position | Event |
| --- | --- | --- | --- | --- |
| 2000.0 | Oceania Youth Championships | Adelaide , Australia | 1st | Javelin |
| 2002.0 | World Junior Championships | Kingston , Jamaica | 4th | Javelin |
| 2006.0 | Commonwealth Games | Melbourne , Australia | 6th | Javelin |
| 2008.0 | Olympic Games | Beijing , PR China | 6th | Javelin |
| 2010.0 | Commonwealth Games | Delhi , India | 1st | Javelin |
| 2011.0 | World Championships | Daegu , South Korea | 7th | Javelin |
Question:
What is the sum of Year(s), when Postion is 6th, and when Competition is Commonwealth Games?
Answer:
2006.0