What the smallest introduced value one?
Number Range Builder Introduced No. Built Region Withdrawn
British Rail Railbuses
text text real real text real
1-1081459-1
BR Railbuses
BR Railbuses
79958-59 Bristol / Eastern Coach Works 1958 2 Scotland 1966
79960-64 WMD Donauwörth 1958 5 Eastern Region/London Midland 1967
79965-69 D Wickham & Co 1958 5 Scotland 1966
79970-74 Park Royal Vehicles 1958 5 London Midland / Scotland 1968
79975-79 AC Cars 1958 5 Scotland / Western Region 1968
999507 Elliot Wickham 1958 1 Departmental 1997
table_1081459_1
SELECT MIN Introduced FROM table