What was the average number of rounds in the fight where Tank Abbott lost?
CREATE TABLE table_name_66 (
    round INTEGER,
    loser VARCHAR
)
SELECT AVG(round) FROM table_name_66 WHERE loser = "tank abbott"
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 was the average number of rounds in the fight where Tank Abbott lost? ### Input: CREATE TABLE table_name_66 (
    round INTEGER,
    loser VARCHAR
) ### Response: SELECT AVG(round) FROM table_name_66 WHERE loser = "tank abbott"