instruction:
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.
question:
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
answer:
Which of the sons was born first?


question:
Context: She won the 1991 AVN Award for Best Group Sex Scene Link Information: none Answer: none
answer:
How old was her agent when Quinn won an AVN Award?


question:
Context: He then undertook post-graduate research at the Courtauld Institute of Art and completed his Doctor of Philosophy (PhD) degree. Link Information: none Answer: none
answer:

What city did Brown do his post-graduate research in?