CREATE TABLE "ohio" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" text,
  "result" text
);

Question: What district has benjamin eggleston for incumbent?
SQL: SELECT "district" FROM "ohio" WHERE "incumbent"='benjamin eggleston';

Question: Which party is tobias a. plants the incumbent?
SQL: SELECT "party" FROM "ohio" WHERE "incumbent"='tobias a. plants';

Question: wWhich district has a retired republican hold with an incumbent of rufus p. spalding?
SQL: SELECT "district" FROM "ohio" WHERE "result"='retired republican hold' AND "incumbent"='rufus p. spalding';

Question: Which district has a retired republican hold and an incumbent of rufus p. spalding?
SQL: SELECT "district" FROM "ohio" WHERE "result"='retired republican hold' AND "incumbent"='rufus p. spalding';