Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_25518547_3 (mls_team VARCHAR, affiliation VARCHAR)
### Question:
How many teams drafted players from the University of Maryland?
### Answer:
SELECT COUNT(mls_team) FROM table_25518547_3 WHERE affiliation = "University of Maryland"