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 | From | School/Country |
| --- | --- | --- | --- | --- |
| , Robert Sacre | Canada | Center | 2012 | Gonzaga |
| , John Salley | United States | Forward/Center | 1999 | Georgia Tech |
| Samake, Soumaila Soumaila Samake | Mali | Center | 2002 | Mali |
| , Jamal Sampson | United States | Forward/Center | 2003 | California |
| , Frank Saul | United States | Guard/Forward | 1951 | Seton Hall |
| , Herm Schaefer | United States | Guard/Forward | 1948 | Indiana |
| , Danny Schayes | United States | Center | 1993 | Syracuse |
| , Dick Schnittker | United States | Forward | 1953 | Ohio State |
| , Howie Schultz | United States | Forward/Center | 1951 | Hamline |
| , Byron Scott | United States | Guard | 1983; 1996 | Arizona State |
| , Charlie Scott | United States | Guard/Forward | 1977 | North Carolina |
| , Shea Seals | United States | Guard | 1997 | Tulsa |
| , Frank Selvy | United States | Guard/Forward | 1959 | Furman |
| , Ramon Sessions | United States | Guard | 2012 | Nevada |
| , Brian Shaw | United States | Guard | 1999 | UC Santa Barbara |
| , Bob Sims | United States | Guard/Forward | 1961 | Pepperdine |
| , Whitey Skoog | United States | Guard | 1951 | Minnesota |
| , Bobby Smith | United States | Guard | 1959 | West Virginia |
| , Don Smith | United States | Guard/Forward | 1948 | Minnesota |
| , Elmore Smith | United States | Center | 1973 | Kentucky State |
| , Joe Smith | United States | Forward | 2010 | Maryland |
| , Tony Smith | United States | Guard | 1990 | Marquette |
| , Mike Smrek | Canada | Center | 1986 | Canisius |
| , Rory Sparrow | United States | Guard | 1991 | Villanova |
| , Art Spoelstra | United States | Center | 1957 | Western Kentucky |
| , Larry Spriggs | United States | Forward | 1983 | Howard |
| , Derek Strong | United States | Forward/Center | 1995 | Xavier |
| , Gene Stump | United States | Guard/Forward | 1949 | DePaul |
| , Don Sunderlage | United States | Guard | 1954 | Illinois |
Question:
What school did the guard who began playing in 1991 come from?
Answer:
Villanova