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

Question: What is the latest first elected?
SQL: SELECT MAX("first_elected") FROM "united_states_house_of_representatives_e";

Question: How many times were the candidates leven powell (f) 63.8% roger west (dr) 36.4%?
SQL: SELECT COUNT("first_elected") FROM "united_states_house_of_representatives_e" WHERE "candidates"='Leven Powell (F) 63.8% Roger West (DR) 36.4%';

Question: What is the district with the candidates leven powell (f) 63.8% roger west (dr) 36.4%?
SQL: SELECT "district" FROM "united_states_house_of_representatives_e" WHERE "candidates"='Leven Powell (F) 63.8% Roger West (DR) 36.4%';

Question: What is the district with the incumbent john nicholas?
SQL: SELECT "district" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='John Nicholas';

Question: How many were in district virginia 6?
SQL: SELECT COUNT("candidates") FROM "united_states_house_of_representatives_e" WHERE "district"='Virginia 6';