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:
| Owner | Class | Number in class | Road numbers | Built |
| --- | --- | --- | --- | --- |
| SCT Logistics | SCT class | 15.0 | SCT001-SCT015 | 2007-2008 |
| Downer Rail | LDP class | 9.0 | LDP001-LDP009 | 2009 |
| Pacific National | TT class | 34.0 | TT01-TT08, TT101-TT126 | 2009-2011 |
| Whitehaven Coal | WH class | 3.0 | WH001-WH003 | 2011 |
| Genesee & Wyoming Australia | GWA class | 10.0 | GWA001-GWA010 | 2011-2012 |
Question:
Which class has more than 15 people in the class?
Answer:
TT class