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

Question: Name the candidates for l. mendel rivers
SQL: SELECT COUNT("candidates") FROM "united_states_house_of_representatives_e" WHERE "incumbent"='L. Mendel Rivers';

Question: Name the result for south carolina 4
SQL: SELECT "result" FROM "united_states_house_of_representatives_e" WHERE "district"='South Carolina 4';

Question: Name the candidates for south carolina 3
SQL: SELECT "candidates" FROM "united_states_house_of_representatives_e" WHERE "district"='South Carolina 3';

Question: Name the incumbent for first elected 1956
SQL: SELECT "incumbent" FROM "united_states_house_of_representatives_e" WHERE "first_elected"=1956;