Q: Does "These neighborhoods are concentrated in the northeast and on the city's fringes." provide a valid answer to "Where are most of the low density area of Detroit located?"?
A: yes

Q: Does "Following Sturgeon's work, a commutator-type direct-current electric motor made with the intention of commercial use was built by the American inventor Thomas Davenport, which he patented in 1837." provide a valid answer to "Who developed the first mnotor capable of being used for machinery?"?
A: no

Q: Does "The list of reasons for downloading given by the study respondents included money saving; the ability to access material not on general release, or before it was released; and assisting artists to avoid involvement with record companies and movie studios." provide a valid answer to "Who did downloaders want to help by avoiding studios and record companies?"?
A: yes

Q: Does "Between 1783 and 1913, approximately 57 million refugees flooded into the Ottoman Empire, at least 3.8 million of whom were from Russia." provide a valid answer to "How many refugees fled Russia to the Ottoman Empire from 1783 to 1913?"?
A:
yes