Question: What 1958 CIE iS claSS S?
SQL: SELECT "1958 CIÉ" FROM "2-1290024-8" WHERE "Class" = 'S';

Question: What day withdrawn is associated with fleet numbers of 12, 25, 42–46, 50, 70–71, 74–77, 106–107, 129?
SQL: SELECT "Date withdrawn" FROM "2-1290024-8" WHERE "Fleet numbers" = '12, 25, 42–46, 50, 70–71, 74–77, 106–107, 129';