How many type catagories are listed when the percentage of yes is 68.91%?
CREATE TABLE table_256286_61 (
    type VARCHAR,
    _percentage_yes VARCHAR
)
SELECT COUNT(type) FROM table_256286_61 WHERE _percentage_yes = "68.91%"
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 type catagories are listed when the percentage of yes is 68.91%? ### Input: CREATE TABLE table_256286_61 (
    type VARCHAR,
    _percentage_yes VARCHAR
) ### Response: SELECT COUNT(type) FROM table_256286_61 WHERE _percentage_yes = "68.91%"