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.
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Question: 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 

Answer: What type of place did Alexander and Roxana have their wedding feast?


Question: Context: before descending the Niagara Escarpment toward the village of Lewiston Link Information: Lewiston is a village in Niagara County, New York, United States. The population was 2,701 at the 2010 census.  Answer: 2,701 

Answer: What is the population of the village near the Niagara Escarpment?


Question: Context: In November 2005 he conducted the Prague Philharmonia Link Information: none Answer: none

Answer:
How many members strong was the Prague Philharmonia when Walker conducted it in 2005?