CREATE TABLE "former_judges" (
  "state" text,
  "born_died" text,
  "active_service" text,
  "chief_judge" text,
  "senior_status" text,
  "appointed_by" text,
  "reason_for_termination" text
);

Question: Tell me the chief judge which has reason for termination of retirement
SQL: SELECT "chief_judge" FROM "former_judges" WHERE "reason_for_termination"='retirement';