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

Question: How many people were first elected when john roane was the incumbent?
SQL: SELECT COUNT("first_elected") FROM "united_states_house_of_representatives_e" WHERE "incumbent"='John Roane';

Question: What party did john s. barbour represent?
SQL: SELECT "party" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='John S. Barbour';

Question: What was the result of the election featuring andrew stevenson (j) 100%?
SQL: SELECT "result" FROM "united_states_house_of_representatives_e" WHERE "candidates"='Andrew Stevenson (J) 100%';

Question: What candidate(s) ran for election when nathaniel h. claiborne was the incumbent?
SQL: SELECT "candidates" FROM "united_states_house_of_representatives_e" WHERE "incumbent"='Nathaniel H. Claiborne';