Q: Does "Many bird populations are declining worldwide, with 1,227 species listed as threatened by BirdLife International and the IUCN in 2009." provide a valid answer to "How many species are listed as threatened by BirdLife International and the IUCN?"?
A: yes

Q: Does "During the post-World War I period ski-lifts were built in Swiss and Austrian towns to accommodate winter visitors, but summer tourism continued to be important; by the mid-20th century the popularity of downhill skiing increased greatly as it became more accessible and in the 1970s several new villages were built in France devoted almost exclusively to skiing, such as Les Menuires." provide a valid answer to "When were ski-lifts built in Swiss and Austrian towns?"?
A: yes

Q: Does "The Arthashastra provides an account of the science of politics for a wise ruler, policies for foreign affairs and wars, the system of a spy state and surveillance and economic stability of the state." provide a valid answer to "What provides an account of the science of politics for a wise ruler?"?
A: yes

Q: Does "On June 12, 2013 during game 1 of the 2013 Stanley Cup Finals, Microsoft premiered the first ad in its "Windows Everywhere" campaign, which promoted Windows 8, Windows Phone 8, and the company's suite of online services as an interconnected platform." provide a valid answer to "When was the first game of the 2013 Stanley Cup Finals?"?
A:
yes