Q: Does "Montana contains thousands of named rivers and creeks, 450 miles (720 km) of which are known for "blue-ribbon" trout fishing." provide a valid answer to "What Bay do rivers from Montana feed?"?
A: no

Q: Does "Teenager Sanjaya Malakar was the season's most talked-about contestant for his unusual hairdo, and for managing to survive elimination for many weeks due in part to the weblog Vote for the Worst and satellite radio personality Howard Stern, who both encouraged fans to vote for him." provide a valid answer to "Which shock jock urged people to vote for Sanjaya?"?
A: yes

Q: Does "Especially during the Mamluk period, when only former slaves could assume power, the sons of the ruling Mamluk elite were unable to inherit." provide a valid answer to "Which class of people founded the madaris during the medieval period?"?
A: no

Q: Does "Until the end of the 18th century, Jews were forbidden to remain in town after 10 pm." provide a valid answer to "What year was the deadly bubonic plague in Strasbourg?"?
A:
no