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:
| Pick # | MLS Team | Player | Position | Affiliation |
| --- | --- | --- | --- | --- |
| 17.0 | Philadelphia Union | Toni Ståhl | Midfielder | University of Connecticut |
| 18.0 | New York Red Bulls | Tim Ream | Defender | Saint Louis University Chicago Fire Premier |
| 19.0 | San Jose Earthquakes | Michael Thomas | Midfielder | University of Notre Dame Kansas City Brass |
| 20.0 | Kansas City Wizards | Korede Aiyegbusi | Defender | North Carolina State University Cary Clarets |
| 21.0 | FC Dallas | * Andrew Wiedeman | Forward | University of California NorCal Lamorinda United |
| 22.0 | Colorado Rapids | Andre Akpan | Forward | Harvard University Chicago Fire Premier |
| 23.0 | Colorado Rapids | Ross LaBauex | Midfielder | University of Virginia Chicago Fire Premier |
| 24.0 | Toronto FC | *Zachary Herold | Defender | West Pines United Club |
| 25.0 | New England Revolution | Seth Sinovic | Defender | Creighton University Chicago Fire Premier |
| 26.0 | Chicago Fire | Kwame Watson-Siriboe | Defender | University of Connecticut Westchester Flames |
| 27.0 | Seattle Sounders FC | Mike Seamon | Midfielder | Villanova University |
| 28.0 | San Jose Earthquakes | Justin Morrow | Defender | University of Notre Dame Chicago Fire Premier |
| 29.0 | Chicago Fire | Drew Yates | Midfielder | University of Maryland |
| 30.0 | San Jose Earthquakes | Steven Beitashour | Defender | San Diego State University San Jose Frogs |
| 31.0 | New England Revolution | Zak Boggs | Forward | University of South Florida Bradenton Academics |
Question:
How many players have an affiliation with University of Maryland?
Answer:
1.0