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_name_66 (round VARCHAR, college VARCHAR, overall VARCHAR)
### Question:
In what Round with an Overall greater than 306 was the pick from the College of Virginia Tech?
### Answer:
SELECT COUNT(round) FROM table_name_66 WHERE college = "virginia tech" AND overall > 306