215561
Parishes were not allowed in Greater London until the passing of the Local Government and Public Involvement in Health Act 2007 ( which allows for their formation in the London borough s ) and it currently remains entirely unparished .
 Greater London
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Greater London