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_28744929_2 (years_at_school VARCHAR, team VARCHAR)
### Question:
How many values were used to express the years at school of the Maryland team?
### Answer:
SELECT COUNT(years_at_school) FROM table_28744929_2 WHERE team = "Maryland"