Here is a question about this article: A key aspect of the Gates Foundation's U.S. efforts involves an overhaul of the country's education policies at both the K-12 and college levels, including support for teacher evaluations and charter schools and opposition to seniority-based layoffs and other aspects of the education system that are typically backed by teachers' unions. It spent $373 million on education in 2009. It has also donated to the two largest national teachers' unions. The foundation was the biggest early backer of the Common Core State Standards Initiative.
What is the answer to this question: how much did it spend in 2009
****
So... It spent $373 million on education in 2009.

The problem: Answer a question about this article:
The CBS Records Group was led very successfully by Clive Davis until his dismissal in 1972, after it was discovered that Davis has used CBS funds to finance his personal life, including an expensive bar mitzvah party for his son. He was replaced first by former head Goddard Lieberson, then in 1975 by the colourful and controversial lawyer Walter Yetnikoff, who led the company until 1990.
In what year was Clive Davis let go at CBS Records Group?
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The answer: 1972

Problem: Please answer a question about the following article about Antibiotics:
Interactions between alcohol and certain antibiotics may occur and may cause side-effects and decreased effectiveness of antibiotic therapy. While moderate alcohol consumption is unlikely to interfere with many common antibiotics, there are specific types of antibiotics with which alcohol consumption may cause serious side-effects. Therefore, potential risks of side-effects and effectiveness depend on the type of antibiotic administered. Despite the lack of a categorical counterindication, the belief that alcohol and antibiotics should never be mixed is widespread.
What is unlikely to interfere with with many common antibiotics?
A: alcohol consumption

Question: Read this and answer the question

Anti-government protests in 1991 led to a coup, a transitional government, and a new constitution. Opposition to the corrupt and dictatorial regime of General Moussa Traore grew during the 1980s. During this time strict programs, imposed to satisfy demands of the International Monetary Fund, brought increased hardship upon the country's population, while elites close to the government supposedly lived in growing wealth. Peaceful student protests in January 1991 were brutally suppressed, with mass arrests and torture of leaders and participants. Scattered acts of rioting and vandalism of public buildings followed, but most actions by the dissidents remained nonviolent.

In what year did Mali get a new constitution?
Answer: 1991

Problem: Oklahoma is the nation's third-largest producer of natural gas, fifth-largest producer of crude oil, and has the second-greatest number of active drilling rigs, and ranks fifth in crude oil reserves. While the state ranked eighth for installed wind energy capacity in 2011, it is at the bottom of states in usage of renewable energy, with 94 percent of its electricity being generated by non-renewable sources in 2009, including 25 percent from coal and 46 percent from natural gas. Oklahoma has no nuclear power. Ranking 13th for total energy consumption per capita in 2009, Oklahoma's energy costs were 8th lowest in the nation.
What is Oklahoma's rank among states by active drilling rigs?
The answer is the following: second

Input: Article: The first Europeans to disembark and explore the region were the Portuguese navigators Diogo Cao in 1485 and Bartolomeu Dias in 1486; still the region was not claimed by the Portuguese crown. However, like most of Sub-Saharan Africa, Namibia was not extensively explored by Europeans until the 19th century, when traders and settlers arrived, principally from Germany and Sweden. In the late 19th century Dorsland trekkers crossed the area on their way from the Transvaal to Angola. Some of them settled in Namibia instead of continuing their journey.

Now answer this question: When did Diogo Cao explore Namibia?

Output:
1485