Question: How many troops does the mission that Train Advise Assist Command - South is a part of advise and assist?
Sentence (from "Resolute Support Mission"): <ref name="NATO 30/01"> </ref> Its current commander is U.S. Army General John W. Nicholson Jr. who replaced U.S. Army General John F. Campbell on 2 March 2016.
Relevant evidence: No