What was the production code of the episode ranked 28?
CREATE TABLE table_26200084_1 (
    production_code VARCHAR,
    rank__week_ VARCHAR
)
SELECT production_code FROM table_26200084_1 WHERE rank__week_ = "28"
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 was the production code of the episode ranked 28? ### Input: CREATE TABLE table_26200084_1 (
    production_code VARCHAR,
    rank__week_ VARCHAR
) ### Response: SELECT production_code FROM table_26200084_1 WHERE rank__week_ = "28"