What is Class, when Power is 78 Watts?
CREATE TABLE table_name_15 (
    class VARCHAR,
    power VARCHAR
)
SELECT class FROM table_name_15 WHERE power = "78 watts"
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 Class, when Power is 78 Watts? ### Input: CREATE TABLE table_name_15 (
    class VARCHAR,
    power VARCHAR
) ### Response: SELECT class FROM table_name_15 WHERE power = "78 watts"