What year were the election results tom loeffler (r) 80.6% joe sullivan (d) 19.4%?
CREATE TABLE "united_states_house_of_representatives_e" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" real,
  "result" text,
  "candidates" text
);
SELECT MIN("first_elected") FROM "united_states_house_of_representatives_e" WHERE "candidates"='Tom Loeffler (R) 80.6% Joe Sullivan (D) 19.4%';