What date was Movistar accredited?
CREATE TABLE table_name_6 (
    date VARCHAR,
    network_brand_name VARCHAR
)
SELECT date FROM table_name_6 WHERE network_brand_name = "movistar"
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 date was Movistar accredited? ### Input: CREATE TABLE table_name_6 (
    date VARCHAR,
    network_brand_name VARCHAR
) ### Response: SELECT date FROM table_name_6 WHERE network_brand_name = "movistar"