What other pertinent facts can you tell me about its economy? 
 I can tell you that in 2015, St Petersburg took the 4th place on economy scales among all subjects of the Russian Federation, conceding only to Moscow, the Tyumen and Moscow Region. 
 No, I would prefer to know about Saint Petersburg's economic status. 
 Thank you for all the help this was very useful. 
 Hello. I have ever heard about Saint Petersburg. Can you tell me about it?
I can tell you that in 2015, St Petersburg took the 4th place on economy scales among all subjects of the Russian Federation, conceding only to Moscow, the Tyumen and Moscow Region.