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: Romanovychi displaced the older line of Izyaslavychi from Turov and Volhynia as well as Rostyslavychi from Galicia. The last were two brothers of Romanovychi, Andrew and Lev II, who ruled jointly Link Information: none Answer: none

Answer: Of the last two Ruthenian kings were joint rulers, which was the oldest?


Question: Context: His grandfather was Septimus Burt Link Information: he Hon Septimus Burt KC (25 October 1847 – 15 May 1919) Answer: 1847 

Answer: What year was Richard Burt's grandfather born?


Question: Context: n 1923, during the American Museum of Natural History expedition by Roy Chapman Andrews to Inner Mongolia, Peter Kaisen discovered numerous theropod remains in three quarries Link Information: Roy Chapman Andrews (January 26, 1884 Answer: 39

Answer:
How old was Roy Chapman Andrews when Peter Kaisen discovered numerous theropod remains in three quarries?