In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

[EX Q]: Context: Working as the Graffiti Research Lab, Roth and Powderly developed open source tools for graffiti writers and activists, such as LED Throwies and L.A.S.E.R. Tag. Link Information:  LED throwies were invented in 2006 by the artists Evan Roth and James Powderly, the founder of Graffiti Research Lab at Eyebeam Atelier open lab New York City.  Question: Which of the open source tools for graffiti writers and activists that Powderly developed came first?
[EX A]: Answer: LED throwies

[EX Q]: Context: the Japanese government again dispatched Un'yō in September 1875 under the command of Inoue Yoshika to provoke a military response Link Information: none Question: How long did Yoshika command Un'yō?
[EX A]: Answer: none

[EX Q]: Context: On October 11, 1883, the heads of the major railroads met in Chicago at the Grand Pacific Hotel Link Information: The Grand Pacific Hotel (1873 Question: When was the building where the heads of the major railroads met in 1883 erected?
[EX A]:
Answer: 1873