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 | Team | Make | Engine | Class | Rank | Points |
| --- | --- | --- | --- | --- | --- | --- |
| 2005.0 | Newman Racing/Silverstone Racing | Crawford DP03 | Ford | DP | 89th | 6.0 |
| 2006.0 | Doran Racing | Doran JE4 | Ford | DP | 108th | 3.0 |
| 2010.0 | Crown Royal/NPN Racing | Riley Mk. XI | BMW 5.0L V8 | DP | NC | 0.0 |
| 2012.0 | Starworks Motorsport | Riley Mk. XXVI | Ford | DP | 17th | 97.0 |
| 2013.0 | Starworks Motorsport | Riley Mk XXVI | Ford | DP | 18th | 160.0 |
Question:
Tell me the class with rank of 89th
Answer:
DP