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_68 (round VARCHAR, position VARCHAR, overall VARCHAR)
### Question:
What round was the draft pick of tight end with an Overall larger than 21?
### Answer:
SELECT COUNT(round) FROM table_name_68 WHERE position = "tight end" AND overall > 21