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.

Example Input: Context: Nirvana insisted on signing an extended contract with Sub Pop, making the band the first to do so with the label. Link Information: The label's roster includes Fleet Foxes, Foals, Beach House, The Postal Service, Flight of the Conchords, Sleater-Kinney, Blitzen Trapper, Father John Misty, Shabazz Palaces, METZ, Rolling Blackouts Coastal Fever, and The Shins. Answer: Fleet Foxes, Foals, Beach House, The Postal Service, Flight of the Conchords, Sleater-Kinney, Blitzen Trapper, Father John Misty, Shabazz Palaces, METZ, Rolling Blackouts Coastal Fever, and The Shins.
Example Output: What other bands signed with Sub Pop?

Example Input: Context: "Days" is the album's first pop ballad Link Information: none Answer: none
Example Output: Did Hamasaki's pop ballad or more rocking song have a better chart position?

Example Input: Context: Still wines from the Champagne region were known before medieval times. Link Information: In the history of Europe, the Middle Ages (or medieval period) lasted from the 5th to the 15th century Answer: 10
Example Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
How many centuries did the time period last where still wines from the Champagne region were known even before then?

