What is the departure for Peterborough East whose arrival time is 12.40?
CREATE TABLE table_22269 (
    "Departure" text,
    "Going to" text,
    "Calling at" text,
    "Arrival" text,
    "Operator" text
)
SELECT "Departure" FROM table_22269 WHERE "Going to" = 'Peterborough East' AND "Arrival" = '12.40'
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 departure for Peterborough East whose arrival time is 12.40? ### Input: CREATE TABLE table_22269 (
    "Departure" text,
    "Going to" text,
    "Calling at" text,
    "Arrival" text,
    "Operator" text
) ### Response: SELECT "Departure" FROM table_22269 WHERE "Going to" = 'Peterborough East' AND "Arrival" = '12.40'