CREATE TABLE table_228973_9 (no_in_series NUMBER, directed_by VARCHAR2)

What is the maximum number in the series for the episode directed by Harvey S. Laidman?
SELECT MAX(no_in_series) FROM table_228973_9 WHERE directed_by = "Harvey S. Laidman"
SELECT MAX("no_in_series") FROM "table_228973_9" WHERE "Harvey S. Laidman" = "directed_by"