Question: Tell me the name of Thomas Piketty's spouse as of 2014?
Paraphrase: With whom has Thomas Piketty been married since 2014?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q984448 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'2014')) }