Problem: There were 810,388 households out of which 28.61% had children under the age of 18 living with them, 42.80% were Marriage living together, 15.28% had a female householder with no husband present, and 36.67% were non-families. 28.79% of all households were made up of individuals and 11.07% (3.31% male and 7.76% female) had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.14.
Answer this question based on the article: How many in percent of households weren't a Marriage living together?
A: 57.2

Problem: The Swiss census of 1990 and 2000 asked for the "language of best command" as well as for the languages habitually used in the family, at work, and in school. Previous censuses had only asked for the "mother tongue". In 1990, Romansh was named as the "language of best command" by 39,632 people, with a decrease to 35,095 in 2000. As a family language, Romansh is more widespread, with 55,707 having named it in 1990, and 49,134 in 2000. As a language used at work, Romansh was more widely used in 2000 with 20,327 responses than in 1990 with 17,753, as it was as a language used at school, with 6,411 naming it in 2000 as compared to 5,331 in 1990. Overall, a total of 60,561 people reported that they used Romansch of some sort on a habitual basis, representing 0.83% of the Swiss population. As the language of best command, Romansh comes in 11th in Switzerland with 0.74%, with the non-national languages Serbian language, Croatian language, Albanian language, Portuguese language, Spanish language, English language, and Turkish language all having more speakers than Romansh.
Answer this question based on the article: Did more people speak Romansh as a family language or as a language of best command?
A: family language

Problem: As of the census of 2000, there were 478,403 people,  190,638  households, and 111,904  families residing in the city. The population density was . There were 215,856 housing units at an average density of . The racial makeup of the city was 51.0% African American, 41.5% White American, 0.3% Native American, 1.3% Asian American, 0.0% Pacific Islander American, 3.6% from other races, and 2.2% from Multiracial American. Hispanic or Latino Americans of any race were 7.3% of the population. Ancestry (United States Census) include German Americans (15.2%), Irish American (10.9%), English American (8.7%), Italian American (5.6%), Polish American (3.2%), and French American (3.0%). Out of the total population, 4.5% were foreign born; of which 41.2% were born in Europe, 29.1% Asia, 22.4% Latin American, 5.0% Africa, and 1.9% Northern America.
Answer this question based on the article: Of the ancestries listed, which one was the least common?
A:
French American