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

Question: Which incumbent was first elected in 1958?
SQL: SELECT "incumbent" FROM "united_states_house_of_representatives_e" WHERE "first_elected"=1958;

Question: Who are all the candidates who ran in the district where Ralph Regula is the incumbent?
SQL: SELECT "candidates" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='Ralph Regula';

Question: Which party does Del Latta belong to?
SQL: SELECT "party" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='Del Latta';

Question: Which party does Tom Luken belong to?
SQL: SELECT "party" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='Tom Luken';