instruction:
In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
question:
Context: Warrington spent most of his career on the Texas frontier and served under Colonel Ranald S. Mackenzie during the Texas-Indian Wars of the 1870s. Link Information: On February 25, 1871, he assumed command of the 4th U.S. Cavalry at Fort Richardson in Jacksboro, Texas. Answer: the 4th U.S. Cavalry
answer:
What units did the Colonel Warrington served under inn the Texas-Indian Wars command?


question:
Context: They served on opposite sides of the American Civil War: Meagher serving with the Union, Link Information: John Mitchel (; 3 November 1815 Answer: 46
answer:
How old was Mitchel when the event where he served with the Union began?


question:
Context: However, with the 1982 season came the hiring of Bob O'Billovich as head coach and Mouse Davis as offensive co-ordinator. Link Information: However, with the 1982 season came the hiring of Bob O'Billovich as head coach and Mouse Davis as offensive co-ordinator.  Answer: Carleton University Ravens
answer:

What teams had the newly hired head coach and offensive co-ordinator for the Argonauts worked for previously?