What is {point in time} and {location} of {{John Foster Dulles} has {position held} as {diplomat}}
Where and when did John Foster Dulles preserve the function of diplomat?
Where and when did John Foster Dulles hold the position of diplomat?
SELECT ?e ?q WHERE { ?a property:location ?q . ?a property:point_in_time ?e . resource:John_Foster_Dulles property:position_held ?a . ?a property:position_held resource:diplomat }
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