74811
History The # 47 was built by the Montreal Locomotive Works in September 1914 for the Grand Trunk Railway as its number 1542 , class K2 , but became a CN locomotive after the creation of the Canadian National Railway in 1923 .
 Montreal Locomotive Works, Railway, Canadian National Railway
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Montreal Locomotive Works, Railway, Canadian National Railway