How many intro dates have the price of 686 ?
CREATE TABLE table_29778616_1 (
    intro_date VARCHAR,
    price VARCHAR
)
SELECT COUNT(intro_date) FROM table_29778616_1 WHERE price = "686€"
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: How many intro dates have the price of 686 ? ### Input: CREATE TABLE table_29778616_1 (
    intro_date VARCHAR,
    price VARCHAR
) ### Response: SELECT COUNT(intro_date) FROM table_29778616_1 WHERE price = "686€"