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

Question: William Fadjo Cravens is the only candidate who was first elected in 1939.
SQL: SELECT COUNT("first_elected") FROM "united_states_house_of_representatives_e" WHERE "incumbent"='William Fadjo Cravens';

Question: William Fadjo Cravens serves the fourth district of Arkansas.
SQL: SELECT "district" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='William Fadjo Cravens';