In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

[EX Q]: Van Rensselaer Island was an island in the Hudson River opposite the city of Albany, New York. Today it is within the city of Rensselaer in Rensselaer County, and has been connected to the mainland on the east side and parts of the island's west side has been dredged away. The island has also been known as de Laet's Island, Kalebacker's Island, Boston Island and B&A Island, the last two names in reference to the Boston and Albany Railroad. The island stretched from Mill Creek north to the Livingston Avenue Bridge. Question: What was the 2010 census city population of the city where Van Rensselaer Island is within? Answer: 9,392
[EX A]:  Today it is within the city of Rensselaer in Rensselaer County, and has been connected to the mainland on the east side and parts of the islands west side has been dredged away.

[EX Q]: Arizona Highways is a magazine that contains travelogues and artistic photographs related to the state of Arizona. It is published monthly in Phoenix by a unit of the Arizona Department of Transportation. Question: What type of media are both Red Herring and Arizona Highways? Answer: magazine
[EX A]: Arizona Highways is a magazine that contains travelogues and artistic photographs related to the state of Arizona.

[EX Q]: In the history of cryptography, Typex (alternatively, Type X or TypeX) machines were British cipher machines used from 1937. It was an adaptation of the commercial German Enigma with a number of enhancements that greatly increased its security. The cipher machine (and its many revisions) was used until the mid-1950s when other more modern military encryption systems came into use. Question: Who invented the cipher machine of which Typex was an adaptation ?  Answer: Arthur Scherbius
[EX A]:
 It was an adaptation of the commercial German Enigma with a number of enhancements that greatly increased its security.