What's the sum of all average yards gained when the gained yards is under 1,276 and lost more than 3 yards?
CREATE TABLE table_76244 (
    "Name" text,
    "Gain" real,
    "Loss" real,
    "Long" real,
    "Avg/G" real
)
SELECT SUM("Avg/G") FROM table_76244 WHERE "Gain" < '1,276' AND "Loss" > '3'
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's the sum of all average yards gained when the gained yards is under 1,276 and lost more than 3 yards? ### Input: CREATE TABLE table_76244 (
    "Name" text,
    "Gain" real,
    "Loss" real,
    "Long" real,
    "Avg/G" real
) ### Response: SELECT SUM("Avg/G") FROM table_76244 WHERE "Gain" < '1,276' AND "Loss" > '3'