7352
In the other arrangement , there are typically large numbers of PCs used in a server farm to handle high workloads , such as those found in the London congestion charge project .
 location: London
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: London