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 | Mark | Athlete | Place | Date |
| --- | --- | --- | --- | --- |
| 1.0 | 98.48 | Jan Železný ( CZE ) | Jena | 1996-05-25 |
| 2.0 | 93.09 | Aki Parviainen ( FIN ) | Kuortane | 1999-06-26 |
| 3.0 | 92.61 | Sergey Makarov ( RUS ) | Sheffield | 2002-06-30 |
| 4.0 | 92.6 | Raymond Hecht ( GER ) | Oslo | 1995-07-21 |
| 5.0 | 91.69 | Konstadinós Gatsioúdis ( GRE ) | Kuortane | 2000-06-24 |
| 6.0 | 91.59 | Andreas Thorkildsen ( NOR ) | Oslo | 2006-06-02 |
| 7.0 | 91.53 | Tero Pitkämäki ( FIN ) | Kuortane | 2005-06-26 |
| 8.0 | 91.46 | Steve Backley ( GBR ) | Auckland | 1992-01-25 |
| 9.0 | 91.29 | Breaux Greer ( USA ) | Indianapolis | 2007-06-21 |
| 10.0 | 90.73 | Vadims Vasiļevskis ( LAT ) | Tallinn | 2007-07-22 |
Question:
What is the lowest mark of the rank 8 record?
Answer:
91.46