2740
Back in 2012 , the official website of the Saint Petersburg metro claimed the opening of 54 new stations , 5 new depots and of new lines .
 location: Saint Petersburg
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: Saint Petersburg