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: the Khan of Khiva and the Emir of Bukhara Link Information: none Answer: none
Which place has the highest recorded population, the place where the Khan came from or the place where the Emir came from?

Context: the Belgian Cup Link Information: The first cup was held in 1911-12. Answer: 1911-12
When did the first Belgian Cup take place?

Context: the KCTV-Tower (Missouri's tallest freestanding structure) Link Information: KCTV maintains transmitter facilities on a 1,042 ft transmission towe Answer: 1,042 ft 

How many feet tall is the KCTV-Tower?