What was the production code of the episode directed by Rondell Sheridan?
CREATE TABLE table_74358 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Prod. code" real,
    "U.S. viewers (millions)" text
)
SELECT MAX("Prod. code") FROM table_74358 WHERE "Directed by" = 'Rondell Sheridan'
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 was the production code of the episode directed by Rondell Sheridan? ### Input: CREATE TABLE table_74358 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Prod. code" real,
    "U.S. viewers (millions)" text
) ### Response: SELECT MAX("Prod. code") FROM table_74358 WHERE "Directed by" = 'Rondell Sheridan'