What is the original airdate of episode #31?
CREATE TABLE table_30863 (
    "Episode #" real,
    "Series #" real,
    "Episode Title" text,
    "Original air date" text,
    "Production Code" real
)
SELECT "Original air date" FROM table_30863 WHERE "Episode #" = '31'
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 is the original airdate of episode #31? ### Input: CREATE TABLE table_30863 (
    "Episode #" real,
    "Series #" real,
    "Episode Title" text,
    "Original air date" text,
    "Production Code" real
) ### Response: SELECT "Original air date" FROM table_30863 WHERE "Episode #" = '31'