What is {point in time} and {location} of {{John Foster Dulles} has {position held} as {diplomat}}
Where and when was the diplomat position held by John Foster Dulles?
Where and when did John Foster Dulles hold the position of diplomat?
SELECT ?p ?y WHERE { ?j property:location ?y . ?j property:position_held resource:diplomat . resource:John_Foster_Dulles property:position_held ?j . ?j property:point_in_time ?p }
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