TASK DEFINITION: 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'.
PROBLEM: Context: Lord Lindsay's private observatory at Dun Echt, Aberdeenshire. Link Information: Lord Lindsay's private observatory at Dun Echt, Aberdeenshire.  Question: When was the town where Lord Lindsay's private observatory is located founded?

SOLUTION: Answer: 1820s 

PROBLEM: Context: His squadron was the first to be equipped with the Supermarine Spitfire, which entered service on 4 August 1938. Link Information: His squadron was the first to be equipped with the Supermarine Spitfire, which entered service on 4 August 1938.  Question: What is the top speed of the airplane that Coward's squadron was the first to be equipped with?

SOLUTION: Answer: 348 mph

PROBLEM: Context: The American Locomotive Company (ALCO) assigned Kuhler to its advertising department in 1931 Link Information: none Question: How big was Minneapolis in square miles the year ALCO assigned Kuhler to its advertising department?

SOLUTION:
Answer: none