Q: Does "The standard language, based on the Moscow dialect, possesses heavy stress and moderate variation in pitch." provide a valid answer to "What dialect is standard Russian based on?"?
A: yes

Q: Does "The official tally of students killed in the earthquake was not released until May 7, 2009, almost a year after the earthquake." provide a valid answer to "What is the total of school children killed?"?
A: no

Q: Does "Other 19th century neoclassical buildings include RNH Bighi (1832), St Paul's Pro-Cathedral (1844), the Rotunda of Mosta (1860) and the now destroyed Royal Opera House (1866)." provide a valid answer to "In what year did the St Paul's Pro-Cathedral get built?"?
A: yes

Q: Does "The Great Plains ecoregion includes five sub-regions: Temperate Prairies, West-Central Semi-Arid Prairies, South-Central Semi-Arid Prairies, Texas Louisiana Coastal Plains, and Tamaulipus-Texas Semi-Arid Plain, which overlap or expand upon other Great Plains designations." provide a valid answer to "who is the North American Environmental Atlas made by?"?
A:
no