Question: Where did Nikolay Gumilev and Anna Akhmatova marry and why did their marriage end?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q311033 p:P26 ?s . ?s ps:P26 wd:Q80440 . ?s pq:P2842 ?value1 . ?s pq:P1534 ?value2 }