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 | Extra |
| --- | --- | --- | --- | --- |
| 2000.0 | World Junior Championships | Santiago , Chile | 7th | Heptathlon |
| 2003.0 | European U23 Championships | Bydgoszcz , Poland | 2nd | Heptathlon |
| 2003.0 | Universiade | Daegu , South Korea | 11th | Pentathlon |
| 2005.0 | Universiade | Izmir , Turkey | 5th | Pentathlon |
| 2005.0 | Décastar | Talence , France | 8th | Heptathlon |
| 2006.0 | Hypo-Meeting | Götzis , Austria | 18th | Heptathlon |
| 2007.0 | Hypo-Meeting | Götzis , Austria | 23rd | Heptathlon |
| 2007.0 | World Championships | Osaka , Japan | 16th | Heptathlon |
| 2008.0 | Hypo-Meeting | Götzis , Austria | 17th | Heptathlon |
| 2009.0 | European Indoor Championships | Turin , Italy | 8th | Pentathlon |
| 2009.0 | Hypo-Meeting | Götzis , Austria | 8th | Heptathlon |
Question:
What is the total number of Year(s), when Tournament is "World Championships"?
Answer:
1.0