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.

[Q]: Context: A wedding-feast for the two of them was arranged high on one of the Link Information: The Sogdian Rock or Rock of Ariamazes, a fortress located north of Bactria in Sogdiana (near Samarkand), Answer: fortress
[A]: What type of place did Alexander and Roxana have their wedding feast?

[Q]: Context: Henry's famous Walk to Canossa Link Information: The Road to Canossa, sometimes called the Walk to Canossa (/Kanossa) or Humiliation of Canossa (), refers to Holy Roman Emperor Henry IV's trek to Canossa Castle, Italy, where Pope Gregory VII was staying as the guest of Margravine Matilda of Tuscany, at the height of the investiture controversy in January 1077 Answer: 1077
[A]: What year did the Walk happen?

[Q]: Context: The Bears won their ninth NFL Championship, first since the AFL-NFL merger, in Link Information: The merger was announced on the evening of June 8, 1966. Answer: 1966
[A]:
What year did the AFL-NFL merger take place?