Input: Article: The Greater London Council was abolished in 1986, which left London as the only large metropolis in the world without a central administration. In 2000, London-wide government was restored, with the creation of the Greater London Authority. To celebrate the start of the 21st century, the Millennium Dome, London Eye and Millennium Bridge were constructed. On 6 July 2005 London was awarded the 2012 Summer Olympics, making London the first city to stage the Olympic Games three times. In January 2015, Greater London's population was estimated to be 8.63 million, the highest level since 1939.

Now answer this question: The population of Greater London in January 2015 was its greatest since what year?

Output: 1939

Input: Article: Mandolin awareness in the United States blossomed in the 1880s, as the instrument became part of a fad that continued into the mid-1920s. According to Clarence L. Partee, the first mandolin made in the United States was made in 1883 or 1884 by Joseph Bohmann, who was an established maker of violins in Chicago. Partee characterized the early instrument as being larger than the European instruments he was used to, with a "peculiar shape" and "crude construction," and said that the quality improved, until American instruments were "superior" to imported instruments. At the time, Partee was using an imported French-made mandolin.

Now answer this question: When did madolin awareness in the US become fluent?

Output: 1880s

Input: Article: In 1913, his father was elevated to the nobility for his service to the Austro-Hungarian Empire by Emperor Franz Joseph. The Neumann family thus acquired the hereditary appellation Margittai, meaning of Marghita. The family had no connection with the town; the appellation was chosen in reference to Margaret, as was those chosen coat of arms depicting three marguerites. Neumann Janos became Margittai Neumann Janos (John Neumann of Marghita), which he later changed to the German Johann von Neumann.

Now answer this question: What was Von Neumann's given name as member of Austro-Hungarian nobility?

Output:
Margittai Neumann Janos