instruction:
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'.
question:
Context: Black & White is a non-fiction book written by Shiva Naipaul and published by Hamish Hamilton in the U.K. in 1980. Link Information: Hamish Hamilton Limited was a British book publishing house, founded in 1931 Question: How long had the publisher of Naipaul's book been in business at the time they published it?
answer:
Answer: 49

question:
Context: . He left the Bears in 1954 to play for the Calgary Stampeders of the Canadian Football League. Link Information: The new Ottawa franchise returned the league to 9 team structure Question: How many teams belong to the league that Macon left the Chicago Bears to play for in 1954?
answer:
Answer: 9

question:
Context: Slavic tribes settled in the Balkan region including North Macedonia by the late 6th century AD. Link Information: The 6th century Byzantine historian Jordanes, wrote in his 551 AD work Getica: "although they derive from one nation, now they are known under three names, the Veneti, Antes and Sclaveni" Question: How many different slavic tribes were there in the 6th century?
answer:
Answer: 3