Name who wrote the episode that had 7.56 million viewers
CREATE TABLE table_1563 (
    "No. in series" text,
    "No. in season" text,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (millions)" text
)
SELECT "Written by" FROM table_1563 WHERE "U.S. viewers (millions)" = '7.56'
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 who wrote the episode that had 7.56 million viewers ### Input: CREATE TABLE table_1563 (
    "No. in series" text,
    "No. in season" text,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (millions)" text
) ### Response: SELECT "Written by" FROM table_1563 WHERE "U.S. viewers (millions)" = '7.56'