Table:
text: List of Great Central Railway locomotives and rolling stock
Industrial diesel shunters
Industrial diesel shunters
Number_Name Description Livery Owners Date_
Operational Operational Operational Operational Operational
No. 15097 Simplex 0-4-0PM BR Black with the Early Crest . Private owner. 1919
No. 15099 Morris Simplex 0-4-0DM BR Black with the Early Crest . Simplex 2028 Association. 1920
Marblaegis Ruston & Hornsby 88DS 0-4-0DM Green. Simplex 2028 Association. 1946
Qwag Ruston & Hornsby 0-4-0DM Green. Private owner. 1954
No. 28 Bardon Andrew Barclay 0-4-0DM Lined Green. Private owner. 1956
D2959 Staythorpe Ruston & Hornsby 165 0-4-0DE BR Green with the Late Crest . Private owner. 1961

Question: Which owners or proprietors have an operational description for Great Central Railway locomotives and rolling stock industrial diesel shunters?

Question: What is the date for Operational Livery under Industrial Diesel Shunters on the Great Central Railway Locomotives and Rolling Stock List?