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

Question: How many parties won the election in the Louisiana 5 district?
SQL: SELECT COUNT("party") FROM "united_states_house_of_representatives_e" WHERE "district"='Louisiana 5';

Question: How many candidates were elected in the Louisiana 4 district?
SQL: SELECT COUNT("first_elected") FROM "united_states_house_of_representatives_e" WHERE "district"='Louisiana 4';

Question: Who was the winner in the Louisiana 7 district?
SQL: SELECT "incumbent" FROM "united_states_house_of_representatives_e" WHERE "district"='Louisiana 7';