CREATE TABLE "table1_1342218_13" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" real,
  "result" text,
  "candidates" text
);

Question: Who was the incumbent in the Illinois 17 district?
SQL: SELECT "incumbent" FROM "table1_1342218_13" WHERE "district"='Illinois 17';