90924
In total , 228 locomotives in the class were built by English Electric between 1957 and 1968 , the large number being in part because of the failure of other early designs in the same power range to provide reliable locomotives .
 English Electric
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 English Electric