Tell me the sum of TD's for 4 avg.
CREATE TABLE table_57360 (
    "Player" text,
    "Car." real,
    "Yards" text,
    "Avg." text,
    "TD's" real,
    "Long" text
)
SELECT SUM("TD's") FROM table_57360 WHERE "Avg." = '4'
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: Tell me the sum of TD's for 4 avg. ### Input: CREATE TABLE table_57360 (
    "Player" text,
    "Car." real,
    "Yards" text,
    "Avg." text,
    "TD's" real,
    "Long" text
) ### Response: SELECT SUM("TD's") FROM table_57360 WHERE "Avg." = '4'