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 | Class | Prize (£K) | Odds | Runners | Placing | Margin | Time | Jockey | Trainer |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| IBEC EBF Maiden | 8.0 | Leopardstown | M | 8.0 | Evens | 16.0 | 1.0 | 14 | 1:48.20 | Michael Kinane | Aidan O'Brien |
| Ballysax Stakes | 10.0 | Leopardstown | L | 20.0 | 1/3 | 7.0 | 1.0 | 3.5 | 2:20.10 | Michael Kinane | Aidan O'Brien |
| Derrinstown Stud Derby Trial | 10.0 | Leopardstown | 3 | 39.0 | 8/15 | 5.0 | 1.0 | 1.5 | 2:08.50 | Seamie Heffernan | Aidan O'Brien |
| Derby | 12.0 | Epsom | 1 | 580.0 | 11/4 | 12.0 | 1.0 | 3.5 | 2:33.27 | Michael Kinane | Aidan O'Brien |
| Irish Derby | 12.0 | The Curragh | 1 | 411.0 | 4/11 | 12.0 | 1.0 | 4 | 2:27.10 | Michael Kinane | Aidan O'Brien |
| King George VI & Queen Elizabeth Stakes | 12.0 | Ascot | 1 | 435.0 | 1/2 | 12.0 | 1.0 | 2 | 2:27.71 | Michael Kinane | Aidan O'Brien |
| Irish Champion Stakes | 10.0 | Leopardstown | 1 | 384.0 | 4/11 | 7.0 | 2.0 | Head | 2:01.80 | Michael Kinane | Aidan O'Brien |
| Breeders' Cup Classic | 10.0 | Belmont Park | 1 | 1386.0 | 100/30 | 13.0 | 6.0 | 7.75 | 2:00.62 | Michael Kinane | Aidan O'Brien |
Question:
Which Dist (f) has a Race of irish derby?
Answer:
12.0