Question: In 2013, what political party was Gurbanguly Berdimuhamedow a member of?
Paraphrase: Gurbanguly Berdimuhamedow was a member of which political party in 2013?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q57530 p:P102 ?s . ?s ps:P102 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'2013')) }