What was the airdate of the episode of production code 214?
CREATE TABLE table_30757 (
    "No in. series" real,
    "No in. season" real,
    "Title" text,
    "Original air date" text,
    "Production Code" real,
    "U.S. viewers (millions)" text
)
SELECT "Original air date" FROM table_30757 WHERE "Production Code" = '214'
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 was the airdate of the episode of production code 214? ### Input: CREATE TABLE table_30757 (
    "No in. series" real,
    "No in. season" real,
    "Title" text,
    "Original air date" text,
    "Production Code" real,
    "U.S. viewers (millions)" text
) ### Response: SELECT "Original air date" FROM table_30757 WHERE "Production Code" = '214'