What is the maximum number in the series for the episode directed by Harvey S. Laidman?
CREATE TABLE table_228973_9 (
    no_in_series INTEGER,
    directed_by VARCHAR
)
SELECT MAX(no_in_series) FROM table_228973_9 WHERE directed_by = "Harvey S. Laidman"
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 maximum number in the series for the episode directed by Harvey S. Laidman? ### Input: CREATE TABLE table_228973_9 (
    no_in_series INTEGER,
    directed_by VARCHAR
) ### Response: SELECT MAX(no_in_series) FROM table_228973_9 WHERE directed_by = "Harvey S. Laidman"