What's the number of the episode directed by Tucker Gates?
CREATE TABLE table_12722302_3 (
    no VARCHAR,
    directed_by VARCHAR
)
SELECT no FROM table_12722302_3 WHERE directed_by = "Tucker Gates"
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's the number of the episode directed by Tucker Gates? ### Input: CREATE TABLE table_12722302_3 (
    no VARCHAR,
    directed_by VARCHAR
) ### Response: SELECT no FROM table_12722302_3 WHERE directed_by = "Tucker Gates"