You will be given a definition of a task first, then some input of the task.
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'.

Context: After serving on the Missouri border he resumed his commission in the regular army Feb. 15, 1862, and in March was transferred to the Army of the Potomac. Link Information: After serving on the Missouri border he resumed his commission in the regular army Feb. 15, 1862, and in March was transferred to the Army of the Potomac. Question: Who was in charge of the Army of the Potomac the year Wessells was transferred there?
Output:
Answer: Major General George B. McClellan