391308
Empire Balham was a 1,061 ton cargo ship which was built by G Brown & Co ( Marine ) Ltd , Greenock in 1944 for the Ministry of War Transport ( MoWT ) .
 Greenock
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Greenock