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.

[Q]: Context: y headed by the Saltigue (the Serer priestly class) Link Information: none Answer: none
[A]: How many leaders run the priestly class?


[Q]: Context: In 1888, an introduction by conductor Alberto Randegger to theatre manager Richard Mansfield led to German's appointment as conductor and musical director at the Globe Theatre in London. Link Information: none Answer: none
[A]: Did Alberto Randegger and Richard Mansfield have any collaborative works together?


[Q]: Context: The kokubun-ji was first excavated in 1949, and is on a plateau above the Yōrō River in close proximity to Tokyo Bay. Link Information: none Answer: none
[A]:
What ocean is Tokyo bay located?