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 | Track | Number | Team | Car | Round Result |
| --- | --- | --- | --- | --- | --- |
| 1996 | Pukekohe Park Raceway | 1 | Holden Racing Team | Holden VR Commodore | 1st |
| 2001 | Pukekohe Park Raceway | 51 | K-mart Racing Team | Holden VX Commodore | 1st |
| 2002 | Pukekohe Park Raceway | 51 | K-mart Racing Team | Holden VX Commodore | 1st |
| 2003 | Pukekohe Park Raceway | 51 | K-mart Racing Team | Holden VY Commodore | 1st |
| 2004 | Pukekohe Park Raceway | 51 | K-mart Racing Team | Holden VY Commodore | 3rd |
| 2005 | Pukekohe Park Raceway | 51 | Paul Weel Racing | Holden VZ Commodore | 1st |
| 2006 | Pukekohe Park Raceway | 51 | Paul Weel Racing | Holden VZ Commodore | 15th |
| 2007 | Pukekohe Park Raceway | 51 | Tasman Motorsport | Holden VE Commodore | 11th |
| 2008 | Hamilton Street Circuit | 51 | Tasman Motorsport | Holden VE Commodore | 25th |
| 2009 | Hamilton Street Circuit | 51 | Tasman Motorsport | Holden VE Commodore | 22nd |
| 2010 | Hamilton Street Circuit | 51 | Paul Morris Motorsport | Holden VE Commodore | 14th |
| 2011 | Hamilton Street Circuit | 11 | Pepsi Max Crew | Holden VE Commodore | 24th |
| 2012 | Hamilton Street Circuit | 51 | Pepsi Max Crew | Holden VE Commodore | 24th |
Question:
what was the number of the car greg murphy competed with in the 2012 hamilton street circuit?
Answer:
51