When did Nancy Astor, Viscountess Astor, held the position of Member of the 37th Parliament of the United Kingdom?
SELECT ?value WHERE { wd:Q195013 p:P39 ?s . ?s ps:P39 wd:Q41582593 . ?s pq:P580 ?value}
nancy astor, viscountess astor: Q195013 member of the 37th parliament of the united kingdom: Q41582593