CREATE TABLE table_39756 ("Office" TEXT, "Democratic ticket" TEXT, "Republican ticket" TEXT, "Law Preservation ticket" TEXT, "Socialist ticket" TEXT, "Socialist Labor ticket" TEXT)

Who's the Democratic ticket with a Socialist Labor ticket of belle j. rosen?
SELECT "Democratic ticket" FROM table_39756 WHERE "Socialist Labor ticket" = 'belle j. rosen'
SELECT "Democratic ticket" FROM "table_39756" WHERE "Socialist Labor ticket" = 'belle j. rosen'