List all those first elected in the California 22 voting district.
CREATE TABLE "united_states_house_of_representatives_e" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" text,
  "result" text,
  "candidates" text
);
SELECT "first_elected" FROM "united_states_house_of_representatives_e" WHERE "district"='California 22';