Task: Question Generation
Input (English): Passage: At the census of 2000, there were 15,557 people, 6,123 households, and 4,365 families residing in the county. The population density was 46 people per square mile (18/km²). There were 7,348 housing units at an average density of 22 per square mile (8/km²). The racial makeup of the county was 97.36% Race (U.S. census), 0.49% Race (U.S. census) or Race (U.S. census), 0.71% Race (U.S. census), 0.26% Race (U.S. census), 0.02% Race (U.S. census), 0.12% from race (U.S. census), and 1.03% from two or more races. 0.47% of the population were Race (U.S. census) or Race (U.S. census) of any race.
Output (English): How many households and families resided in the county according to the 2000 census?