Q: Does "By the end of 641 all of Egypt was in Muslim hands." provide a valid answer to "What is the estimated number of slaves that were transported each year?"?
A: no

Q: Does "His father was raised Catholic (John's paternal grandparents were Austro-Hungarian Jewish immigrants who converted to Catholicism) and his mother was Episcopalian." provide a valid answer to "What was Kerry's mother's religion?"?
A: yes

Q: Does "In addition to the historical teams, the league added two new expansion franchises, the Dallas Vigilantes and the Jacksonville Sharks." provide a valid answer to "Along with the Dallas Vigilantes, what expansion team was announced in 2010?"?
A: yes

Q: Does "Tan Zhenlin (term 1949-1952), the inaugural Party Secretary, was one of the leading voices against Mao's Cultural Revolution during the so-called February Countercurrent of 1967." provide a valid answer to "When was Jiang Hua's term?"?
A:
no