What's the series number of the episode directed by Skipp Sudduth?
CREATE TABLE table_23528223_2 (
    no_in_series VARCHAR,
    directed_by VARCHAR
)
SELECT no_in_series FROM table_23528223_2 WHERE directed_by = "Skipp Sudduth"
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's the series number of the episode directed by Skipp Sudduth? ### Input: CREATE TABLE table_23528223_2 (
    no_in_series VARCHAR,
    directed_by VARCHAR
) ### Response: SELECT no_in_series FROM table_23528223_2 WHERE directed_by = "Skipp Sudduth"