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Details of school casualties had been under non-governmental investigation since December 2008 by volunteers including artist and architect Ai Weiwei, who had been constantly posting updates on his blog since March 2009. The official tally of students killed in the earthquake was not released until May 7, 2009, almost a year after the earthquake. According to the state-run Xinhua news agency, the earthquake killed 5,335 students and left another 546 children disabled. In the aftermath of the earthquake, the Chinese government declared that parents who had lost their only children would get free treatment from fertility clinics to reverse vasectomies and tubal ligations conducted by family planning authorities.
Who kept a blog about the school deaths?
A: Ai Weiwei

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The Niger Delta Nembe Creek Oil field was discovered in 1973 and produces from middle Miocene deltaic sandstone-shale in an anticline structural trap at a depth of 2–4 km. In June 2013, the company announced a strategic review of its operations in Nigeria, hinting that assets could be divested. While many international oil companies have operated there for decades, by 2014 most were making moves to divest their interests, citing a range of issues including oil theft. In August 2014, Shell Oil Company said it was finalising its interests in four Nigerian oil fields.
What type of geology is the Niger Delta Nembe Creek Oil field?
A: middle Miocene deltaic sandstone-shale in an anticline structural trap

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West got his big break in the year 2000, when he began to produce for artists on Roc-A-Fella Records. West came to achieve recognition and is often credited with revitalizing Jay-Z's career with his contributions to the rap mogul's influential 2001 album The Blueprint. The Blueprint is consistently ranked among the greatest hip-hop albums, and the critical and financial success of the album generated substantial interest in West as a producer. Serving as an in-house producer for Roc-A-Fella Records, West produced records for other artists from the label, including Beanie Sigel, Freeway, and Cam'ron. He also crafted hit songs for Ludacris, Alicia Keys, and Janet Jackson.
What label did Kanye begin to work for in 2000?
A: Roc-A-Fella Records

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In the United States, two of the wealthiest nonprofit organizations are the Bill and Melinda Gates Foundation, which has an endowment of US$38 billion, and the Howard Hughes Medical Institute originally funded by Hughes Aircraft prior to divestiture, which has an endowment of approximately $14.8 billion. Outside the United States, another large NPO is the British Wellcome Trust, which is a "charity" by British usage. See: List of wealthiest foundations. Note that this assessment excludes universities, at least a few of which have assets in the tens of billions of dollars. For example; List of U.S. colleges and universities by endowment.
What is the Bill and Melinda Gates Foundation considered by British usage?
A:
unanswerable