Who wrote the episode that was directed by Dennie Gordon
CREATE TABLE table_15938543_1 (
    written_by VARCHAR,
    directed_by VARCHAR
)
SELECT written_by FROM table_15938543_1 WHERE directed_by = "Dennie Gordon"
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: Who wrote the episode that was directed by Dennie Gordon ### Input: CREATE TABLE table_15938543_1 (
    written_by VARCHAR,
    directed_by VARCHAR
) ### Response: SELECT written_by FROM table_15938543_1 WHERE directed_by = "Dennie Gordon"