Who wrote the episode titled 'Mission gone bad' 'Trapped in Paris'?
CREATE TABLE table_23504 (
    "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_23504 WHERE "Title" = 'Mission Gone Bad" "Trapped in Paris'
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 titled 'Mission gone bad' 'Trapped in Paris'? ### Input: CREATE TABLE table_23504 (
    "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_23504 WHERE "Title" = 'Mission Gone Bad" "Trapped in Paris'