How many rounds were there an offensive tackle position?
CREATE TABLE table_name_66 (round VARCHAR, position VARCHAR)
SELECT COUNT(round) FROM table_name_66 WHERE position = "offensive tackle"
### Context: CREATE TABLE table_name_66 (round VARCHAR, position VARCHAR) ### Question: How many rounds were there an offensive tackle position? ### Answer: SELECT COUNT(round) FROM table_name_66 WHERE position = "offensive tackle"