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

Question:  What party was represented by incumbent Richard Coulter ? 
SQL: SELECT "party" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='Richard Coulter';