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

Question: Which party experienced a result of lost re-election democratic-republican hold?
SQL: SELECT "party" FROM "united_states_house_of_representatives_e" WHERE "result"='Lost re-election Democratic-Republican hold';

Question: How many districts have John C. Calhoun as the incumbent?
SQL: SELECT COUNT("district") FROM "united_states_house_of_representatives_e" WHERE "incumbent"='John C. Calhoun';