Definition: The answer will be 'yes' if the provided sentence contains an explicit mention that answers the given question. Otherwise, the answer should be 'no'. Instances where the answer is implied from the sentence using "instinct" or "common sense" (as opposed to being written explicitly in the sentence) should be labeled as 'no'.
Input: Sentence: The Albanians first appear in the historical record in Byzantine sources of the late 11th century. 
Question: For how long did the Byzantines log historical records?

No.