what is the round when the pick # is less than 236 and the position is offensive guard?
CREATE TABLE table_name_64 (
    round INTEGER,
    pick__number VARCHAR,
    position VARCHAR
)
SELECT AVG(round) FROM table_name_64 WHERE pick__number < 236 AND position = "offensive guard"
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: what is the round when the pick # is less than 236 and the position is offensive guard? ### Input: CREATE TABLE table_name_64 (
    round INTEGER,
    pick__number VARCHAR,
    position VARCHAR
) ### Response: SELECT AVG(round) FROM table_name_64 WHERE pick__number < 236 AND position = "offensive guard"