what is the original air date for julie warner?
CREATE TABLE table_28784 (
    "No." real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Patient Portrayer" text,
    "Original air date" text,
    "Production code" real
)
SELECT "Original air date" FROM table_28784 WHERE "Patient Portrayer" = 'Julie Warner'
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 air date for julie warner? ### Input: CREATE TABLE table_28784 (
    "No." real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Patient Portrayer" text,
    "Original air date" text,
    "Production code" real
) ### Response: SELECT "Original air date" FROM table_28784 WHERE "Patient Portrayer" = 'Julie Warner'