TASK DEFINITION: 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.
PROBLEM: Context: At 14, Vincent Fago sold his first cartoon to the New York Sun Link Information: The Sun was a New York newspaper published from 1833 until 1950 Answer: William Dewart

SOLUTION: Who owns the paper that Fago sold his first cartoon to?

PROBLEM: Context: The town continued to flourish under the Seljuk Empire, when the Seljuk ruler Ahmad Sanjar built the city a new wall Link Information: none Answer: none

SOLUTION: What did Ahmad Sanjar build the wall out of?

PROBLEM: Context: known in the Roman calendar Link Information: The term often includes the Julian calendar established by the reforms of the dictator Julius Caesar and emperor Augustus in the late 1stcentury Answer: the late 1stcentury

SOLUTION:
When was the Roman calendar established?