Question: Who is Anna Akhmatova's spouse and why did the marriage end?
Paraphrase: Who is Anna Akhmatova's companion and why did the marriage end?
SPARQL (Wikidata): SELECT ?value1 ?obj WHERE { wd:Q80440 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P1534 ?value1 . }