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:
| Race | Dist (f) | Course | Runners | Placing | Margin | Jockey | Trainer |
| --- | --- | --- | --- | --- | --- | --- | --- |
| South Norfolk Caterers Maiden Stakes | 8.0 | Yarmouth | 18.0 | 1.0 | 5.0 | Frankie Dettori | David Loder |
| Doncaster Sponsorship Club Stakes | 8.0 | Doncaster | 4.0 | 1.0 | 9.0 | Frankie Dettori | Saeed Bin Suroor |
| Predominate Stakes | 10.0 | Goodwood | 6.0 | 1.0 | 3.5 | Frankie Dettori | Saeed Bin Suroor |
| Derby | 12.0 | Epsom | 16.0 | 9.0 | 9.25 | Frankie Dettori | Saeed Bin Suroor |
| Prix Eugene Adam | 10.0 | Maisons-Laffitte | 5.0 | 1.0 | 3.0 | Frankie Dettori | Saeed Bin Suroor |
| Prix Jacques le Marois | 8.0 | Deauville | 5.0 | 1.0 | 2.5 | Frankie Dettori | Saeed Bin Suroor |
| Queen Elizabeth II Stakes | 8.0 | Ascot | 4.0 | 1.0 | 6.0 | Frankie Dettori | Saeed Bin Suroor |
| Maktoum bin Rashid al Maktoum Challenge | 10.0 | Nad Al Sheba | 6.0 | 1.0 | 4.5 | Frankie Dettori | Saeed Bin Suroor |
| Dubai World Cup | 10.0 | Nad Al Sheba | 13.0 | 1.0 | 6.0 | Frankie Dettori | Saeed Bin Suroor |
| Prince of Wales's Stakes | 10.0 | Ascot | 6.0 | 1.0 | 8.0 | Jerry Bailey | Saeed Bin Suroor |
Question:
what is the highest runners when the jockey is frankie dettori and the placing is higher than 1?
Answer:
16.0