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

Question: What party was re-elected as an incumbent of robert p. Kennedy?
SQL: SELECT "party" FROM "ohio" WHERE "result"='re-elected' AND "incumbent"='robert p. kennedy';

Question: Which democratic incumbent is from the district of ohio 7?
SQL: SELECT "incumbent" FROM "ohio" WHERE "party"='democratic' AND "district"='ohio 7';

Question: Which republican was first elected in 1886 in the district of ohio 17?
SQL: SELECT "result" FROM "ohio" WHERE "party"='republican' AND "first_elected"='1886' AND "district"='ohio 17';

Question: Which result was in the district of ohio 6?
SQL: SELECT "result" FROM "ohio" WHERE "district"='ohio 6';

Question: Who was first elected as the result of a retired republican gain in the district of ohio 21?
SQL: SELECT "first_elected" FROM "ohio" WHERE "result"='retired republican gain' AND "district"='ohio 21';