Task: Question Generation
Input (English): Passage: As of the census of 2000, there were 24,621 people, 9,029 households, and 6,284 families residing in the county.  The population density was 73 people per square mile (28/km²).  There were 12,064 housing units at an average density of 36 per square mile (14/km²).  The racial makeup of the county was 97.90% White (U.S. Census), 0.56% African American (U.S. Census), 0.15% Native American (U.S. Census), 0.28% Asian (U.S. Census), 0.02% Pacific Islander (U.S. Census), 0.36% from Race (United States Census), and 0.74% from two or more races. Hispanic (U.S. Census) or Latino (U.S. Census) of any race were 0.93% of the population. 21.3% were of English people, 16.5% Germans, 11.4% Irish people, 10.7% United States, 5.3% danish people and 5.3% Italian people ancestry according to Census 2000.
Output (English): how many more housing units were there than families?