How many providers were founded in 1964?
CREATE TABLE table_11390711_4 (
    provider_iai_ VARCHAR,
    foundation VARCHAR
)
SELECT COUNT(provider_iai_) FROM table_11390711_4 WHERE foundation = 1964
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 providers were founded in 1964? ### Input: CREATE TABLE table_11390711_4 (
    provider_iai_ VARCHAR,
    foundation VARCHAR
) ### Response: SELECT COUNT(provider_iai_) FROM table_11390711_4 WHERE foundation = 1964