Table:
text: South African Class 34-500
Works numbers
Class 34-500, GE type U26C
GE_DL_works_no_ Year_built Built_for Original_no_ New_owner New_no_
35277 1974-75 Iscor 17D SAR 34-517
35278 1974-75 Iscor 18D SAR 34-518
35279 1974-75 Iscor 19D SAR 34-519
35280 1974-75 Iscor 20D SAR 34-520
35281 1975 Iscor G01 Kumba 01
35282 1975 Iscor G02 Kumba 02
40400 1976-77 Iscor 21D SAR 34-521
40401 1976-77 Iscor 22D SAR 34-522
40402 1976-77 Iscor 23D SAR 34-505
40403 1976-77 Iscor 24D SAR 34-524
40404 1976-77 Iscor 25D SAR 34-525
40405 1976-77 Iscor 26D SAR 34-526
40406 1976-77 Iscor 27D SAR 34-527
40407 1976-77 Iscor 28D SAR 34-528
40408 1976-77 Iscor 29D SAR 34-529
40409 1976-77 Iscor 30D SAR 34-530
40410 1976-77 Iscor 31D SAR 34-531

Question: What is built for when the original number 24d is in the South African class 34-500?