What day withdrawn is associated with fleet numbers of 12, 25, 42–46, 50, 70–71, 74–77, 106–107, 129?
CREATE TABLE "great_northern_railway" (
  "class" text,
  "type" text,
  "fleet_numbers" text,
  "quantity_made" real,
  "date_made" text,
  "1958_ci" text,
  "1958_uta" text,
  "date_withdrawn" text
);
SELECT "date_withdrawn" FROM "great_northern_railway" WHERE "fleet_numbers"='12, 25, 42–46, 50, 70–71, 74–77, 106–107, 129';