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:
| Team | Outgoing manager | Manner of departure | Date of vacancy | Replaced by | Date of appointment | Position in table |
| --- | --- | --- | --- | --- | --- | --- |
| AaB | Erik Hamrén | End of contract | 30 June 2008 | Bruce Rioch | 1 July 2008 | Pre-season |
| FC Midtjylland | Erik Rasmussen | Resigned | 30 June 2008 | Thomas Thomasberg | 1 July 2008 | Pre-season |
| AaB | Bruce Rioch | Sacked | 23 October 2008 | Magnus Pehrsson | 1 January 2009 | 11th |
| Esbjerg fB | Troels Bech | Sacked | 16 November 2008 | Ove Pedersen | 1 January 2009 | 12th |
| Brøndby IF | Tom Køhlert | Mutual consent | 31 December 2008 | Kent Nielsen | 1 January 2009 | 1st |
| AC Horsens | Kent Nielsen | Resigned | 31 December 2008 | Henrik Jensen | 1 January 2009 | 12th |
| AGF | Ove Pedersen | Sacked | 31 December 2008 | Erik Rasmussen | 1 January 2009 | 5th |
| Randers FC | Colin Todd | Mutual consent | 5 January 2009 | John Jensen | 5 January 2009 | 7th |
Question:
Name the replaced by where date of vacancy is 31 december 2008 where position in table is 1st
Answer:
Kent Nielsen