Question: What position did Helmut Schmidt hold starting in 1953?
Paraphrase: In what Helmut Schmidt worked in the year 1953?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q2516 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1953')) }