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:
| Player | Nationality | Position | Years for Grizzlies | School/Club Team |
| --- | --- | --- | --- | --- |
| Hakim Warrick | United States | Forward | 2005-2009 | Syracuse |
| Earl Watson | United States | Point guard | 2002-2005 | UCLA |
| Bonzi Wells | United States | Guard-Forward | 2004-2005 | Ball State |
| Doug West | United States | Guard-Forward | 1998-2001 | Villanova |
| DeJuan Wheat | United States | Point guard | 1998-1999 | Louisville |
| Gerald Wilkins | United States | Guard-Forward | 1995-1996 | Chattanooga |
| Aaron Williams | United States | Power forward / Center | 1996-1997 | Xavier |
| Jason Williams | United States | Point guard | 2001-2005; 2011-2012 | Florida |
| Lorenzen Wright | United States | Power forward / Center | 2001-2006 | Memphis |
| Tony Wroten | United States | Shooting guard | 2012–present | Washington |
Question:
What are the years when the grizzles had a player who attended Villanova?
Answer:
1998-2001