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

Question: what was the number of candidates when Leon Sacks was incumbent?
SQL: SELECT COUNT("candidates") FROM "united_states_house_of_representatives_e" WHERE "incumbent"='Leon Sacks';

Question: What was the result in Pennsylvania 13?
SQL: SELECT "result" FROM "united_states_house_of_representatives_e" WHERE "district"='Pennsylvania 13';

Question: Who was the incumbent in Pennsylvania 27?
SQL: SELECT "incumbent" FROM "united_states_house_of_representatives_e" WHERE "district"='Pennsylvania 27';