Name the Date of mercedes, and a Circuit of elgin?
CREATE TABLE table_name_57 (
    date VARCHAR,
    winning_constructor VARCHAR,
    circuit VARCHAR
)
SELECT date FROM table_name_57 WHERE winning_constructor = "mercedes" AND circuit = "elgin"
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 Date of mercedes, and a Circuit of elgin? ### Input: CREATE TABLE table_name_57 (
    date VARCHAR,
    winning_constructor VARCHAR,
    circuit VARCHAR
) ### Response: SELECT date FROM table_name_57 WHERE winning_constructor = "mercedes" AND circuit = "elgin"