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"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many rounds were there an offensive tackle position? ### Input: CREATE TABLE table_name_66 (
    round VARCHAR,
    position VARCHAR
) ### Response: SELECT COUNT(round) FROM table_name_66 WHERE position = "offensive tackle"