Who ran under the Democratic ticket when Edward R. Dudley ran under the Liberal ticket?
CREATE TABLE "1962_state_election_results" (
  "office" text,
  "republican_ticket" text,
  "democratic_ticket" text,
  "liberal_ticket" text,
  "conservative_ticket" text,
  "socialist_workers_ticket" text,
  "socialist_labor_ticket" text
);
SELECT "democratic_ticket" FROM "1962_state_election_results" WHERE "liberal_ticket"='edward r. dudley';