When 123 is the number in series who is the director?
CREATE TABLE table_2468961_7 (
    directed_by VARCHAR,
    no_in_series VARCHAR
)
SELECT directed_by FROM table_2468961_7 WHERE no_in_series = 123
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 123 is the number in series who is the director? ### Input: CREATE TABLE table_2468961_7 (
    directed_by VARCHAR,
    no_in_series VARCHAR
) ### Response: SELECT directed_by FROM table_2468961_7 WHERE no_in_series = 123