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

Question: who is the the incumbent with candidates being percy e. quin (d) unopposed
SQL: SELECT "incumbent" FROM "united_states_house_of_representatives_e" WHERE "candidates"='Percy E. Quin (D) Unopposed';

Question: what's the district with candidates being john e. rankin (d) unopposed
SQL: SELECT "district" FROM "united_states_house_of_representatives_e" WHERE "candidates"='John E. Rankin (D) Unopposed';

Question: who is the the candidates with district being mississippi 4
SQL: SELECT "candidates" FROM "united_states_house_of_representatives_e" WHERE "district"='Mississippi 4';

Question: who is  the incumbent for district mississippi 4
SQL: SELECT "incumbent" FROM "united_states_house_of_representatives_e" WHERE "district"='Mississippi 4';

Question: what's the result with incumbent being bill g. lowrey
SQL: SELECT "result" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='Bill G. Lowrey';

Question: what's the district  with candidates being william madison whittington (d) unopposed
SQL: SELECT "district" FROM "united_states_house_of_representatives_e" WHERE "candidates"='William Madison Whittington (D) Unopposed';