The problem: Answer a question about this article:
In December, Beyonce along with a variety of other celebrities teamed up and produced a video campaign for "Demand A Plan", a bipartisan effort by a group of 950 US mayors and others designed to influence the federal government into rethinking its gun control laws, following the Sandy Hook Elementary School shooting. Beyonce became an ambassador for the 2012 World Humanitarian Day campaign donating her song "I Was Here" and its music video, shot in the UN, to the campaign. In 2013, it was announced that Beyonce would work with Salma Hayek and Frida Giannini on a Gucci "Chime for Change" campaign that aims to spread female empowerment. The campaign, which aired on February 28, was set to her new music. A concert for the cause took place on June 1, 2013 in London and included other acts like Ellie Goulding, Florence and the Machine, and Rita Ora. In advance of the concert, she appeared in a campaign video released on 15 May 2013, where she, along with Cameron Diaz, John Legend and Kylie Minogue, described inspiration from their mothers, while a number of other artists celebrated personal inspiration from other women, leading to a call for submission of photos of women of viewers' inspiration from which a selection was shown at the concert. Beyonce said about her mother Tina Knowles that her gift was "finding the best qualities in every human being." With help of the crowdfunding platform Catapult, visitors of the concert could choose between several projects promoting education of women and girls. Beyonce is also taking part in "Miss a Meal", a food-donation campaign, and supporting Goodwill charity through online charity auctions at Charitybuzz that support job creation throughout Europe and the U.S.
What song did Beyonce contribute to the campaign?
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The answer: I Was Here

The problem: Answer a question about this article:
In May 2008, Cyclone Nargis caused extensive damage in the densely populated, rice-farming delta of the Irrawaddy Division. It was the worst natural disaster in Burmese history with reports of an estimated 200,000 people dead or missing, and damage totalled to 10 billion US Dollars, and as many as 1 million left homeless. In the critical days following this disaster, Myanmar's isolationist government was accused of hindering United Nations recovery efforts. Humanitarian aid was requested but concerns about foreign military or intelligence presence in the country delayed the entry of United States military planes delivering medicine, food, and other supplies.
How many people were reported missing or deceased due to the natural disaster of 2007 ?
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The answer: estimated 200,000 people dead or missing

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In recent years, Nanjing has been developing its economy, commerce, industry, as well as city construction. In 2013 the city's GDP was RMB 801 billion (3rd in Jiangsu), and GDP per capita(current price) was RMB 98,174(US$16041), a 11 percent increase from 2012. The average urban resident's disposable income was RMB 36,200, while the average rural resident's net income was RMB 14,513. The registered urban unemployment rate was 3.02 percent, lower than the national average (4.3 percent). Nanjing's Gross Domestic Product ranked 12th in 2013 in China, and its overall competence ranked 6th in mainland and 8th including Taiwan and Hong Kong in 2009.
What was Nanjing's GDP in 2013?
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The answer: RMB 801 billion

The problem: Answer a question about this article:
The five most prevalent chains are Lotte, Hyundai, Shinsegae, Galleria, AK plaza. Lotte Department Store is the largest, operating more than 40 stores (include outlet, young plaza, foreign branches). Hyundai Department Store has about 14 stores (13dept, 1outlet), and there are 10 stores in Shinsegae. Shinsegae has 3 outlet store with Simon. Galleria has 5, AK has 5 stores. Galleriaeast and west is well known by luxury goods. These five department stores are known to people as representative corporations in the field of distirution in South Korea. From fashion items to electric appliances, people can buy various kinds of products. Every weekend, people are fond of going around these department stores, because their location is usually easy to visit. As of 2010 the Shinsegae department store in Centum City, Busan, is the largest department store in the world.
What store was the largest department store in the world in 2010?
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The answer:
Shinsegae department store