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 | Result | World Rank | Location | Date |
| --- | --- | --- | --- | --- |
| 1973.0 | 10.15 | 1st | Dakar | Apr 15 |
| 1974.0 | 9.9 | 1st | Westwood | Jun 21 |
| 1975.0 | 10.08 | 2nd | Zurich | Aug 20 |
| 1976.0 | 9.9 | 4th | Gainesville | Mar 27 |
| 1977.0 | 10.13 | 5th= | Düsseldorf | Sep 2 |
| 1978.0 | 10.07 | 1st= | Zurich | Aug 16 |
Question:
When was Steve Williams in Zurich and his result was 10.07?
Answer:
Aug 16