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

Question: What is the district when the first elected was in 1986?
SQL: SELECT "district" FROM "united_states_house_of_representatives_e" WHERE "first_elected"=1986;

Question: Who were the candidates when the first elected was a republican in 1998? 
SQL: SELECT "candidates" FROM "united_states_house_of_representatives_e" WHERE "first_elected"=1998 AND "party"='Republican';