117897
The station was opened in 1845 by the Eastern Counties Railway at a cost of £ 81,500 , the land on which it was built being a marshy swamp .
 organization: Eastern Counties Railway
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Eastern Counties Railway 
Answer:
 organization: Eastern Counties Railway