Which American Labor candidate ran against Democratic candidate Robert F. Wagner?
CREATE TABLE table_42089 (
    "Office" text,
    "Democratic ticket" text,
    "Republican ticket" text,
    "American Labor ticket" text,
    "Socialist ticket" text
)
SELECT "American Labor ticket" FROM table_42089 WHERE "Democratic ticket" = 'robert f. wagner'
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: Which American Labor candidate ran against Democratic candidate Robert F. Wagner? ### Input: CREATE TABLE table_42089 (
    "Office" text,
    "Democratic ticket" text,
    "Republican ticket" text,
    "American Labor ticket" text,
    "Socialist ticket" text
) ### Response: SELECT "American Labor ticket" FROM table_42089 WHERE "Democratic ticket" = 'robert f. wagner'