instruction:
In this task, you are given a question. You have to answer the question based on your information.
question:
During which period was Altes Lager an important Viking trading post?
answer:
the late 8th century to the mid-11th century


question:
What is the area of the country for which Facinet Keita was the flag bearer for the 2012 Summer Olympics?
answer:
245,860 km2


question:
Are the documentaries Welcome to Durham, USA and The Agronomist both about Durham, North Carolina?
answer:
no