Problem: Philadelphia Gas Works (PGW), overseen by the Pennsylvania Public Utility Commission, is the nation's largest municipally owned natural gas utility. It serves over 500,000 homes and businesses in the Philadelphia area. Founded in 1836, the company came under city ownership in 1987 and has been providing the majority of gas distributed within city limits. In 2014, the Philadelphia City Council refused to conduct hearings on a $1.86 billion sale of PGW, part of a two-year effort that was proposed by the mayor. The refusal led to the prospective buyer terminating its offer.
When was PGW founded?
The answer is the following: 1836

Problem: Valencia was founded as a Roman colony in 138 BC. The city is situated on the banks of the Turia, on the east coast of the Iberian Peninsula, fronting the Gulf of Valencia on the Mediterranean Sea. Its historic centre is one of the largest in Spain, with approximately 169 hectares; this heritage of ancient monuments, views and cultural attractions makes Valencia one of the country's most popular tourist destinations. Major monuments include Valencia Cathedral, the Torres de Serrans, the Torres de Quart, the Llotja de la Seda (declared a World Heritage Site by UNESCO in 1996), and the Ciutat de les Arts i les Ciencies (City of Arts and Sciences), an entertainment-based cultural and architectural complex designed by Santiago Calatrava and Felix Candela. The Museu de Belles Arts de Valencia houses a large collection of paintings from the 14th to the 18th centuries, including works by Velazquez, El Greco, and Goya, as well as an important series of engravings by Piranesi. The Institut Valencia d'Art Modern (Valencian Institute of Modern Art) houses both permanent collections and temporary exhibitions of contemporary art and photography.
How big is Valencia's historic centre?
The answer is the following: 169 hectares

Problem: Between 15901712 the Dutch also possessed one of the strongest and fastest navies in the world, allowing for their varied conquests including breaking the Portuguese sphere of influence on the Indian Ocean and in the Orient, as well as a lucrative slave trade from Africa and the Pacific.
The Dutch operated a slave trade from which locations?
The answer is the following: Africa and the Pacific

Problem: The U.S. Social Security Administration (SSA), which oversees the world's largest administrative judicial system under its Office of Disability Adjudication and Review (ODAR), has made extensive use of videoconferencing to conduct hearings at remote locations. In Fiscal Year (FY) 2009, the U.S. Social Security Administration (SSA) conducted 86,320 videoconferenced hearings, a 55% increase over FY 2008. In August 2010, the SSA opened its fifth and largest videoconferencing-only National Hearing Center (NHC), in St. Louis, Missouri. This continues the SSA's effort to use video hearings as a means to clear its substantial hearing backlog. Since 2007, the SSA has also established NHCs in Albuquerque, New Mexico, Baltimore, Maryland, Falls Church, Virginia, and Chicago, Illinois.
Where is the SSA's fifth videoconferencing only center located?
The answer is the following:
St. Louis, Missouri