What is the BARB ratings of episode 6?
CREATE TABLE table_26591309_3 (
    official_barb_ratings VARCHAR,
    episode VARCHAR
)
SELECT official_barb_ratings FROM table_26591309_3 WHERE episode = 6
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 BARB ratings of episode 6? ### Input: CREATE TABLE table_26591309_3 (
    official_barb_ratings VARCHAR,
    episode VARCHAR
) ### Response: SELECT official_barb_ratings FROM table_26591309_3 WHERE episode = 6