When the Gain is 29, and the average per game is 2, and the player lost less than 390 yards, what's the sum of the Long yards?
CREATE TABLE table_76243 (
    "Name" text,
    "Gain" real,
    "Loss" real,
    "Long" real,
    "Avg/G" real
)
SELECT SUM("Long") FROM table_76243 WHERE "Loss" < '390' AND "Avg/G" = '2' AND "Gain" > '29'
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: When the Gain is 29, and the average per game is 2, and the player lost less than 390 yards, what's the sum of the Long yards? ### Input: CREATE TABLE table_76243 (
    "Name" text,
    "Gain" real,
    "Loss" real,
    "Long" real,
    "Avg/G" real
) ### Response: SELECT SUM("Long") FROM table_76243 WHERE "Loss" < '390' AND "Avg/G" = '2' AND "Gain" > '29'