### Instruction: Where is the "Prairie Chicken Capital of the World"?
### Input: Cassoday is a city in Butler County, Kansas, United States. It is known as the "Prairie Chicken Capital of the World". As of the 2020 census, the population of the city was 113.
### Response: Cassoday, KS in Butler County, Kansas is known as the "Prairie Chicken Capital of the World".  Its population in the 2020 census was 113 people.