Which district has candidates is dick gephardt (d) 81.9% lee buchschacher (r) 18.1%?
CREATE TABLE "united_states_house_of_representatives_e" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" real,
  "result" text,
  "candidates" text
);
SELECT "district" FROM "united_states_house_of_representatives_e" WHERE "candidates"='Dick Gephardt (D) 81.9% Lee Buchschacher (R) 18.1%';