What is the production code for the episode written by Kat Likkel & Denise Downer?
CREATE TABLE table_2701851_5 (
    production_code VARCHAR,
    written_by VARCHAR
)
SELECT production_code FROM table_2701851_5 WHERE written_by = "Kat Likkel & Denise Downer"
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 is the production code for the episode written by Kat Likkel & Denise Downer? ### Input: CREATE TABLE table_2701851_5 (
    production_code VARCHAR,
    written_by VARCHAR
) ### Response: SELECT production_code FROM table_2701851_5 WHERE written_by = "Kat Likkel & Denise Downer"