Which Round has an Opponent of aleksandr pitchkounov?
CREATE TABLE table_name_81 (
    round INTEGER,
    opponent VARCHAR
)
SELECT MIN(round) FROM table_name_81 WHERE opponent = "aleksandr pitchkounov"
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: Which Round has an Opponent of aleksandr pitchkounov? ### Input: CREATE TABLE table_name_81 (
    round INTEGER,
    opponent VARCHAR
) ### Response: SELECT MIN(round) FROM table_name_81 WHERE opponent = "aleksandr pitchkounov"