Who wrote the episode with 8.61 million U.S. viewers?
CREATE TABLE table_27033 (
    "\u2116" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (million)" text
)
SELECT "Written by" FROM table_27033 WHERE "U.S. viewers (million)" = '8.61'
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: Who wrote the episode with 8.61 million U.S. viewers? ### Input: CREATE TABLE table_27033 (
    "\u2116" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (million)" text
) ### Response: SELECT "Written by" FROM table_27033 WHERE "U.S. viewers (million)" = '8.61'