Question: What nationality was Douglas Mawson at the time of the Royal and Parliamentary Titles Act in 1927?
Paraphrase: Which was the nationality of Douglas Mawson at the time of the Royal and Parliamentary Titles Act in 1927?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q434281 p:P27 ?s . ?s ps:P27 ?obj . ?s pq:P1534 wd:Q7375047 }