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: Marines from the 1st Battalion, 5th Marines (1/5) occupied the district as part of Operation Strike of the Sword. Link Information: Marines from the 1st Battalion, 5th Marines (1/5) occupied the district as part of Operation Strike of the Sword. Question: Who was the commanding office of the coalition forces during the operation that saw the Nawa-I-Barakzayi District occupied by the 5th Marines?
Output:
Answer: Gen. Stanley McChrystal