### Instruction:
What is the Carolina Hall

### Input:
Carolina Hall, formerly known as Saunders Hall, is a building on the University of North Carolina at Chapel Hill campus in Chapel Hill, North Carolina, in the United States. Carolina Hall was built in 1922 and named for William L. Saunders, an alumnus and a colonel in the Confederate States Army during the American Civil War. The name was changed to "Carolina Hall" in 2015.

### Response:
The Carolina Hall, formerly known as Saunders Hall, is a building on the University of North Carolina at Chapel Hill campus in Chapel Hill, North Carolina, in the United States. Carolina Hall was built in 1922 and named for William L. Saunders, an alumnus and a colonel in the Confederate States Army during the American Civil War. The name was changed to "Carolina Hall" in 2015.