Who ran under the Socialist Labor ticket when Robert M. Morgenthau ran for the Democratic ticket?
CREATE TABLE table_42004 (
    "Office" text,
    "Republican ticket" text,
    "Democratic ticket" text,
    "Liberal ticket" text,
    "Conservative ticket" text,
    "Socialist Workers ticket" text,
    "Socialist Labor ticket" text
)
SELECT "Socialist Labor ticket" FROM table_42004 WHERE "Democratic ticket" = 'robert m. morgenthau'
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 ran under the Socialist Labor ticket when Robert M. Morgenthau ran for the Democratic ticket? ### Input: CREATE TABLE table_42004 (
    "Office" text,
    "Republican ticket" text,
    "Democratic ticket" text,
    "Liberal ticket" text,
    "Conservative ticket" text,
    "Socialist Workers ticket" text,
    "Socialist Labor ticket" text
) ### Response: SELECT "Socialist Labor ticket" FROM table_42004 WHERE "Democratic ticket" = 'robert m. morgenthau'