What series was directed by Mark Roskin?
CREATE TABLE table_20704243_3 (
    series__number INTEGER,
    directed_by VARCHAR
)
SELECT MIN(series__number) FROM table_20704243_3 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_20704243_3 (
    series__number INTEGER,
    directed_by VARCHAR
) ### Response: SELECT MIN(series__number) FROM table_20704243_3 WHERE directed_by = "Mark Roskin"