What series was directed by Mark Roskin?
CREATE TABLE table_23825 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "U.S. viewers (in millions)" text
)
SELECT MIN("Series #") FROM table_23825 WHERE "Directed by" = 'Mark Roskin'
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 series was directed by Mark Roskin? ### Input: CREATE TABLE table_23825 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "U.S. viewers (in millions)" text
) ### Response: SELECT MIN("Series #") FROM table_23825 WHERE "Directed by" = 'Mark Roskin'