response: Chicago has over 400 major corporate headquarters.  31 are from the fortune 500.
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 Got it. The metropolitan area of chicaco has almost 10 million people living there Oh wow! 10 million is insane! Chicago is third most populated city in the USA. I did not know that
knowledge: The region is home to more than 400 major corporate headquarters, including 31 in the Fortune 500.