Task: Question Answering
Input (English): Context : The GWR 4073 Class 5043 Earl of Mount Edgcumbe is a steam locomotive of the GWR 'Castle' Class, built in March 1936. 
Question : What year was the service entry date for GWR 4073 Class 5043 Earl of Mount Edgcumbe?
Output (English): March 1936