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

Question: Which district is republican?
SQL: SELECT "district" FROM "united_states_house_of_representatives_e" WHERE "party"='Republican';

Question: Name the result when the incumbent was george h. mahon
SQL: SELECT "result" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='George H. Mahon';

Question: What was the incumbent of texas 3?
SQL: SELECT "incumbent" FROM "united_states_house_of_representatives_e" WHERE "district"='Texas 3';

Question: What was the incumbent for texas 19?
SQL: SELECT "incumbent" FROM "united_states_house_of_representatives_e" WHERE "district"='Texas 19';