Task: Explanation
Input (English): Jackson County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 20,449. Its county seat is Black River Falls. Jackson County was formed from Crawford County in 1853. It was named for President Andrew Jackson. Question: What is the population of Jackson County, Wisconsin, which is named after the seventh President of the United States? Answer: 20,449
Output (English):  It was named for President Andrew Jackson.