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 | County | Wins | Years won |
| --- | --- | --- | --- |
| Greystones | Wicklow | 1 | 2011 |
| Ballymore Eustace | Kildare | 1 | 2010 |
| Maynooth | Kildare | 1 | 2009 |
| Ballyroan Abbey | Laois | 1 | 2008 |
| Fingal Ravens | Dublin | 1 | 2007 |
| Confey | Kildare | 1 | 2006 |
| Crettyard | Laois | 1 | 2005 |
| Wolfe Tones | Meath | 1 | 2004 |
| Dundalk Gaels | Louth | 1 | 2003 |
Question:
what is the difference years won for crettyard and greystones
Answer:
6