Name the total number for period of validity for upper volta
CREATE TABLE table_222666_1 (
    period_of_validity VARCHAR,
    former_country_name VARCHAR
)
SELECT COUNT(period_of_validity) FROM table_222666_1 WHERE former_country_name = "Upper Volta"
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: Name the total number for period of validity for upper volta ### Input: CREATE TABLE table_222666_1 (
    period_of_validity VARCHAR,
    former_country_name VARCHAR
) ### Response: SELECT COUNT(period_of_validity) FROM table_222666_1 WHERE former_country_name = "Upper Volta"