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: such as the Swiss band Hellhammer (later to become Celtic Frost) Link Information:  Formed in 1981 as Hellhammer, the band became Celtic Frost in 1984 Answer: 1984
answer:
In what year did Hellhammer become Celtic Frost?


question:
Context: From 2006 to 2008, he a special assistant/offense and assistant offensive line coach for the St. Louis Rams of the National Football League (NFL), where he worked under head coach Scott Linehan. Horton coached the quarterbacks for the NFL's Detroit Lions in 2009. Link Information: as the St. Louis Rams from the 1995 through the 2015 seasons Answer: Detroit Lions
answer:
Which is the oldest NFL team that Horton coached with?


question:
Context: After extended use as a temple, at the later part of the 3rd century BC, Seuthes lll was buried inside. Link Information: none Answer: none
answer:

What age did Seuthes III die?