What is the average long that has 1581 as a gain, with a loss less than 308?
CREATE TABLE table_65667 (
    "Name" text,
    "Gain" real,
    "Loss" real,
    "Long" real,
    "Avg/G" real
)
SELECT AVG("Long") FROM table_65667 WHERE "Gain" = '1581' AND "Loss" < '308'
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 average long that has 1581 as a gain, with a loss less than 308? ### Input: CREATE TABLE table_65667 (
    "Name" text,
    "Gain" real,
    "Loss" real,
    "Long" real,
    "Avg/G" real
) ### Response: SELECT AVG("Long") FROM table_65667 WHERE "Gain" = '1581' AND "Loss" < '308'