Goalsagainst that has a Points of 108, and a Lost smaller than 14 has what average?
CREATE TABLE table_70638 (
    "Season" text,
    "Games" real,
    "Lost" real,
    "Points" real,
    "Goalsfor" real,
    "Goalsagainst" real
)
SELECT AVG("Goalsagainst") FROM table_70638 WHERE "Points" = '108' AND "Lost" < '14'
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: Goalsagainst that has a Points of 108, and a Lost smaller than 14 has what average? ### Input: CREATE TABLE table_70638 (
    "Season" text,
    "Games" real,
    "Lost" real,
    "Points" real,
    "Goalsfor" real,
    "Goalsagainst" real
) ### Response: SELECT AVG("Goalsagainst") FROM table_70638 WHERE "Points" = '108' AND "Lost" < '14'