Who presented their credentials at an unknown date?
CREATE TABLE table_name_11 (
    name VARCHAR,
    presentation_of_credentials VARCHAR
)
SELECT name FROM table_name_11 WHERE presentation_of_credentials = "unknown"
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: Who presented their credentials at an unknown date? ### Input: CREATE TABLE table_name_11 (
    name VARCHAR,
    presentation_of_credentials VARCHAR
) ### Response: SELECT name FROM table_name_11 WHERE presentation_of_credentials = "unknown"