List the original air date for week 5.
CREATE TABLE table_25555 (
    "No." real,
    "#" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "U.S. viewers (million)" text,
    "Rank (week)" real,
    "Original air date" text
)
SELECT "Original air date" FROM table_25555 WHERE "Rank (week)" = '5'
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: List the original air date for week 5. ### Input: CREATE TABLE table_25555 (
    "No." real,
    "#" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "U.S. viewers (million)" text,
    "Rank (week)" real,
    "Original air date" text
) ### Response: SELECT "Original air date" FROM table_25555 WHERE "Rank (week)" = '5'