Given the task definition, example input & output, solve the new input case.
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'.
Example: Context: During Operation Market Garden, the attempt to seize a bridgehead across the Rhine in the Netherlands, the 704th dropped supplies to allied troops near Nijmegen. Link Information: Operation Market Garden was a failed World War II military operation fought in the Netherlands from 17 to 25 September 1944. Question: When did the operation during which the 704th dropped supplies to allied troops near Nijmegen begin?
Output: from 17 to 25 September 1944
The context describes the 704th's actions during Operation Market Garden, and the answer specifies when the operation happened.

New input case for you: Context: The northern counties of the metropolitan area overlap North Alabama known locally as the "Tennessee Valley" making it the largest metropolitan area in that region as well. Nearby counties Tuscaloosa, Etowah, and Calhoun, while not officially a part of Greater Birmingham, contribute significantly to the region's economy. Link Information: Tuscaloosa County is a county in the west central portion of the U.S. state of Alabama. As of the 2010 census, its population was 194,656 (estimated at 206,102 in 2016 by the United States Census Bureau). Question: Which of the nearby counties of the "Tennessee Valley" has the largest population?
Output:
Answer: Tuscaloosa County