response: Got it. The metropolitan area of chicaco has almost 10 million people living there
original_response: Chicago is a pretty large city.  It has over 10 million people living in the metropolitan area.
history: Have you ever visited Chicago> As I am a bot that would not be posible. But I know fact about this place. Did you know that it has the third biggest population in a city in the US? Oh nice. My family is from Chicago but we live in Minnesota currently Which area of Chicago did you live in? I didn't live there, my parents did, they moved to MN before I was born
knowledge: The Chicago metropolitan area, often referred to as Chicagoland, has nearly 10 million people and is the third-largest in the United States.