What is {position held} of {George Reid} that is {start time} is {1916-1-11} ?
What position did George Reid begin on 1/11/1916?
What position did George Reid hold starting on 1/11/1916?
SELECT ?z WHERE { FILTER ( CONTAINS ( YEAR ( ?t ) , '1916' ) ) . ?q property:position_held ?z . ?q property:start_time ?t . resource:George_Reid property:position_held ?q }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q23352> .
?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/P580> <1916-1-11>
} 

SELECT ?obj WHERE { wd:Q23352 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1916')) }