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: In addition to Shahrbanu, the historian Al-Masudi provides the names of four other children of Yazdegerd III; two sons, namely Peroz and Bahram Link Information: none Answer: none

SOLUTION: Which of the sons was born first?

PROBLEM: Context: Yermolov served in the rear and advance guards and distinguished himself at Amstetten and Austerlitz Link Information: The Battle of Amstetten was a minor engagement during the War of the Third Coalition between the First French Empire and the alliance of Austria and Russia. It occurred on 5 November 1805 Answer: The Battle of Amstetten

SOLUTION: Of the battles that Yermolov served in during the 1805 campaign, which occurred first?

PROBLEM: Context: Although traditionally recognized as one of two living species of Andrias salamander in Asia, the other being the Japanese giant salamander, Link Information: The Japanese giant salamander was first catalogued by Europeans when the resident physician of Dejima Island in Nagasaki, Philipp Franz von Siebold, captured an individual and shipped it back to Leiden in the Netherlands, in the 1820s. Answer:  in the 1820s

SOLUTION:
When was the Japanese giant salamander first discovered?