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.

Context: He then entered the 2008 BMW Open in Munich, Germany, where he beat Carlos Berlocq in the first round. In the second round, he edged out Michael Berrer, Link Information: He then entered the 2008 BMW Open in Munich, Germany, where he beat Carlos Berlocq in the first round. In the second round, he edged out Michael Berrer, but lost to Fernando González Answer: Carlos Berlocq
Which of Safin's opponents that he defeated at the 2008 BMW Open was the oldest?

Context: In 1126, Vicelinus decided to travel to Madgeburg, in order to see St. Norbert, who at that time was the archbishop. Link Information: 

In 1126 Pope Honorius II appointed Norbert to the Archbishopric of Magdeburg Answer: 1
How many years had St. Norbert held the position of archbishop when he was visited by Vicelinus?

Context: Early confrontations between the Sasanian Empire of Shapur II with the nomadic hordes from Central Asia called the "Chionites" were described by Ammianus Marcellinus Link Information: Shapur II ( ; New Persian: , Šāpur), also known as Shapur II the Great, was the tenth Sasanian king (shah) of Iran. The longest-reigning monarch in Iranian history, he reigned for his entire 70-year life from 309 to 379.  Answer: 70-year

How many years did the ruler of the Sasanian Empire when it had confrontations with the Chionites rule the empire?