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:
| Shooter | Event | Rank points | Score points | Total |
| --- | --- | --- | --- | --- |
| Du Li ( CHN ) | WCF 2007 | Defending champion | Defending champion | Defending champion |
| Kateřina Emmons ( CZE ) | OG Beijing | Olympic gold medalist | Olympic gold medalist | Olympic gold medalist |
| Lioubov Galkina ( RUS ) | OG Beijing | Olympic silver medalist | Olympic silver medalist | Olympic silver medalist |
| Snježana Pejčić ( CRO ) | OG Beijing | Olympic bronze medalist | Olympic bronze medalist | Olympic bronze medalist |
| Sonja Pfeilschifter ( GER ) | WC Milan | 15 | 15 | 30 |
| Barbara Lechner ( GER ) | WC Rio de Janeiro | 15 | 11 | 26 |
| Wu Liuxi ( CHN ) | WC Milan | 8 | 13 | 21 |
| Agnieszka Staron ( POL ) | WC Munich | 8 | 13 | 21 |
| Kim Eun-hye ( KOR ) | WC Rio de Janeiro | 8 | 11 | 19 |
| Olga Dovgun ( KAZ ) | WC Beijing | 4 | 14 | 18 |
| Emily Caruso ( USA ) | WC Munich | 4 | 14 | 18 |
| Natalia Kalnysh ( UKR ) | WC Beijing | 3 | 13 | 16 |
Question:
Which event had a total of defending champion?
Answer:
WCF 2007