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:
| From | Until | Name | Party | Function |
| --- | --- | --- | --- | --- |
| June 13, 2007 | July 4, 2007 | Didier Reynders | MR | informateur |
| July 5, 2007 | July 15, 2007 | Jean-Luc Dehaene | CD&V | mediator |
| July 15, 2007 | August 23, 2007 | Yves Leterme | CD&V | formateur |
| August 29, 2007 | September 29, 2007 | Herman Van Rompuy | CD&V | explorator |
| September 29, 2007 | December 1, 2007 | Yves Leterme | CD&V | formateur |
| December 4, 2007 | December 17, 2007 | Guy Verhofstadt | VLD | informateur |
| December 17, 2007 | December 23, 2007 | Guy Verhofstadt | VLD | formateur |
Question:
Who had a function of explorator?
Answer:
Herman Van Rompuy