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.

Context: the Official Airline Guide (OAG) listed up to eight round trip flights a day operated by Time Air nonstop between Lethbridge and Calgary with Fokker F27 Friendship Link Information: the airline was operating larger Dash7 turboprops on the Lethbridge-Calgary route Answer: Dash 7
How many more passengers could fly on the Dash 7 compared with the Fokker F27 Friendship?

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
What units did the Colonel Warrington served under inn the Texas-Indian Wars command?

Context: not far north of New Mexico State Road 4, the main highway through Los Alamos County. Link Information: Los Alamos County (English: The Poplars or Cottonwoods) is a county in the U.S. state of New Mexico. As of the 2010 census, the population was 17,950. Answer: 17,950
What is the current population of the county that New Mexico State Road 4 is the main highway through?