What round was the draft pick of tight end with an Overall larger than 21?
CREATE TABLE table_name_68 (round VARCHAR, position VARCHAR, overall VARCHAR)
SELECT COUNT(round) FROM table_name_68 WHERE position = "tight end" AND overall > 21
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: 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? [/INST] SELECT COUNT(round) FROM table_name_68 WHERE position = "tight end" AND overall > 21 </s>