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

Question: Who is the incumbent that is a republican and first elected before 1864?
SQL: SELECT "incumbent" FROM "ohio" WHERE "party"='republican' AND "first_elected"<1864;

Question: What district is the democratic Francis C. Le Blond from?
SQL: SELECT "district" FROM "ohio" WHERE "party"='democratic' AND "incumbent"='francis c. le blond';

Question: In the Ohio 4 district, that is the first elected date that has a result of re-elected?
SQL: SELECT SUM("first_elected") FROM "ohio" WHERE "result"='re-elected' AND "district"='ohio 4';

Question: What is the party in Ohio 6 District?
SQL: SELECT "party" FROM "ohio" WHERE "district"='ohio 6';