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:
| Rank | Rider | Team | Speed | Time |
| --- | --- | --- | --- | --- |
| 1.0 | Oliver Linsdell | 398cc Yamaha | 102.830mph | 1:28.03.57 |
| 2.0 | David Yeomans | 400cc Honda | 89.059mph | 1:41.40.55 |
| 3.0 | Brian Clarke | 400cc Yamaha | 88.853mph | 1:41.54.72 |
| 4.0 | Roberto Airoldi | 399cc Kawasaki | 87.680mph | 1:43.16.52 |
| 5.0 | Brenden Stone | 400cc Kawasaki | 87.909mph | 1:46.38.77 |
| 6.0 | Ian Griffiths | 400cc Honda | 87.796mph | 1:46.47.30 |
| 7.0 | Jimmy Aspinall | 399cc Honda | 82.437mph | 1:49.50.62 |
Question:
What is the time of the rider ranked 6?
Answer:
1:46.47.30