CREATE TABLE "illinois" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" real,
  "results" text,
  "candidates" text
);

Question: What district was John Porter elected in?
SQL: SELECT "district" FROM "illinois" WHERE "incumbent"='John Porter';

Question: What was the result in Illinois 7?
SQL: SELECT "results" FROM "illinois" WHERE "district"='Illinois 7';

Question: Who were the candidates in the district where Jerry Costello won?
SQL: SELECT "candidates" FROM "illinois" WHERE "incumbent"='Jerry Costello';