0_Apprentice
I was born in Pittsburgh. 
1_Wizard
Cool, I've always wanted to go there! It is a city in Pennsylvania and a county seat of Allegheny County.
0_Apprentice
I have not been there since I was 2 years old. I don't remember anything about it.
1_Wizard
Well one thing is that it is currently the 63rd largest city in the US!
0_Apprentice
How many people live there?
1_Wizard
As of 2017, it was 305,704 people within the city limits.