What is {position held} of {James Bryant Conant} that is {replaced by} is {Nathan M. Pusey} ?
For what purpose James Bryant Conant was replaced by Nathan M. Pusey?
Nathan M. Pusey replaced James Bryant Conant in what position?
SELECT ?w WHERE { resource:James_Bryant_Conant property:position_held ?n . ?n property:replaced_by resource:Nathan_M._Pusey . ?n property:position_held ?w }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q49355> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P39> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P1366> <http://wikidata.dbpedia.org/resource/Q1772795>
} 

SELECT ?obj WHERE { wd:Q49355 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P1366 wd:Q1772795 }