How many titles are given for the episode directed by Joanna Kerns?
CREATE TABLE table_17356205_1 (
    title VARCHAR,
    directed_by VARCHAR
)
SELECT COUNT(title) FROM table_17356205_1 WHERE directed_by = "Joanna Kerns"
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: How many titles are given for the episode directed by Joanna Kerns? ### Input: CREATE TABLE table_17356205_1 (
    title VARCHAR,
    directed_by VARCHAR
) ### Response: SELECT COUNT(title) FROM table_17356205_1 WHERE directed_by = "Joanna Kerns"