Who's the Socialist ticket with a Law Preservation ticket of (none), and a Socialist Labor ticket of belle j. rosen?
CREATE TABLE "1930_state_election_results" (
  "office" text,
  "democratic_ticket" text,
  "republican_ticket" text,
  "law_preservation_ticket" text,
  "socialist_ticket" text,
  "socialist_labor_ticket" text
);
SELECT "socialist_ticket" FROM "1930_state_election_results" WHERE "law_preservation_ticket"='(none)' AND "socialist_labor_ticket"='belle j. rosen';